| Subject | Date Asked |
|
| related to files | 10/27/2007 |
Q: i have to read from a text file skipping the first three lines of that file. i am able to open and ...
A: Open the file. Initialize a counter to 0. Start reading the file (line by line) - on each read ...
|
| abt pointers | 10/26/2007 |
Q: I read in a book about pointers and them uses. What i don't understand is why use pointers to ...
A: When you declare a variable, the address where its value is stored is decided at compile time. When ...
|
| copying a c structure in a file created in c | 10/25/2007 |
Q: am unable to copy the following structure in a file created in c struct temp { char fname[10]; int ...
A: You are using both fwrite() and fprintf() to write to file. Both work in different way. While ...
|
| Pointers & structure | 10/15/2007 |
Q: 1-Can I assign an address to a pointer? 2-How to solve the following. Ex: typedef struct { int a, ...
A: > How to assign an address to my pointer. > Let's say I want int* A to be point to address ...
|
| swapping of two variables | 10/12/2007 |
Q: FIRST PROGRAM: void main() { int a=10,b=26; a=1?a-(b=1?((a=1?a+b:0)-b):0):0; ...
A: I don't know how you used the scanf(). I too tried to use scanf() and the program is working fine. ...
|
| fibunachi... | 10/8/2007 |
Q: We were told to make a fibunachi and i didn't know what it is so the teacher made this out put: ...
A: First you must understand it mathematically and then only you can write a program for this. So, once ...
|
| Pointers & structure | 10/4/2007 |
Q: 1-Can I assign an address to a pointer? 2-How to solve the following. Ex: typedef struct { int a, ...
A: 1-Can I assign an address to a pointer? ANS: Yes. 2-How to solve the following. Ex: typedef struct ...
|
| regarding preprocessor directives | 9/30/2007 |
Q: sir, actually we learnt in c that #include refers to preprocessor directive actually what is the ...
A: Directory is also called as folder. That is a placeholder for files. Pre-processor directive comes ...
|
| question in c | 9/28/2007 |
Q: is it possible to implement inheritance in c language?
A: It depends on how you look at and how you define inheritance. In C++, there are classes and these ...
|
| pls kindly point out the error in this programme i wrote | 9/25/2007 |
Q: the purpose of this programme i wrote was to write a programme that contains the function called ...
A: The corrected program is here: # include <stdio.h> int series(void); int main(void) { int i; ...
|
| pls kindly point out the error in this programme i wrote | 9/24/2007 |
Q: the purpose of this programme i wrote was to write a programme that contains the function called ...
A: The mistake were: 1. The function declaration had a semecolon missing in the end! 2. Name of a ...
|
| arrays in c programming language | 9/23/2007 |
Q: I was reading a c programming book and as a beginner, i was lost by the codings. could u explain to ...
A: 1. why populate the array index so that it is 1 less than the loop index? ANS: Array index starts ...
|
| arrays in c programming language | 9/22/2007 |
Q: I was reading a c programming book and as a beginner, i was lost by the codings. could u explain to ...
A: In the first loop, the array a1[] is getting populated. The array index starts from 0. But the loop ...
|
| for loop | 9/15/2007 |
Q: Please explain working of nested for loop
A: I understood that you weren't happy with the way I answered your question. But, you must understand ...
|
| logic | 9/12/2007 |
Q: following program gives how many number of ones present in binary form of one number. but i don't ...
A: This program is using the bitwise operators and using them to mask of specific bits to get to the ...
|
| Array | 9/11/2007 |
Q: Can you please guide me in creating a program which arranges the integers of an array in descending ...
A: I will give you a hint and you must complete the algorithm part (steps in plain english). Take the ...
|
| use of GUI in C language | 9/10/2007 |
Q: What is need of GUI in using? What are application or projects need GUI using c lang.? ANSWER: Your ...
A: I am not able to understand your questions! I am very sorry to say that. Are you asking me to give ...
|
| getting rid of unnecessary spaces in a string | 9/4/2007 |
Q: I'm doing a c project and am facing a problem gettin rid of spaces, someone asked u this Q before, ...
A: You cannot make your program intelligent. You can either remove all the spaces or tell your program ...
|
| How to use fgets | 8/27/2007 |
Q: How to use fgets() to store the data? I can use scanf() but I don't know how to use fgets() can you ...
A: googol:temp> cat temp.c #include <stdio.h> main() { FILE *fp = fopen("temp_file", "r"); ...
|
| pointers | 8/25/2007 |
Q: my question is on pointers . consider the following code assume array begins from 65472 main() { ...
A: Were you not happy with the answers I gave for your question? Looking at the question, it looks ...
|
| Read line of data and then manipulate it | 8/20/2007 |
Q: Here is a sample data file: 0 400 34.0000123 0 -23.9 0 -4 5000 -1 test2.txt 0 40 762 232.98983 0 0 ...
A: Since you are using fgets() to read till the end of line, each line will be strored in a string. ...
|
| Question on size of structure and #pragma directive | 8/16/2007 |
Q: I have one question on size of structures MyI tried to get size of structure using sizeof ...
A: Refer the following two pages to get it clarified: 1. ...
|
| question | 8/15/2007 |
Q: I'd like to kindly ask you 2 questions: 1) What is the easiest way to draw a point and a line in C ...
A: I don't do graphics programming. So, I am not familiar with its usage. Other than graphics.h ...
|
| Interfacing VB with C | 7/30/2007 |
Q: I have a VB program which writes to a text file from a GUI. I then want my C program to read from ...
A: Looking at the above code, I dont' see any problem. One thing that you must add is, to check that ...
|
| confusion stuff | 7/26/2007 |
Q: i would like to know how the function printf() is implemented in c insense i want u to focus on the ...
A: > Looks like, you have copied and pasted your assignment question here! > You will need to know the ...
|
| Using external functions | 7/26/2007 |
Q: I'm quite new in C and i can't compile an example of the reed-solomon implementation, that i've ...
A: > Removing the reference from Makefile is wrong. > The best way is to find where this library exists ...
|
| Query abt pointer | 7/22/2007 |
Q: can you please tell me the full meaning of following program. I did not get any point abt these ...
A: Whatever you have posted is a small and incomplete portion of a bigger code. Actually, you yourself ...
|
| asking for a programme | 7/18/2007 |
Q: i would like to get a c programme for array implementation of linked list kind
A: I don't provide any source code here. It is you, who have to write it. If you really want me to ...
|
| structure declaration in C | 7/17/2007 |
Q: Can I declare structure like this: typedef struct a { int i : 4; unsigned dirty : 1; ...
A: Yes. that works. You are limiting the number of bits of i to 4 and dirty to 1. So, even if you give ...
|
| XOR to store byte | 7/16/2007 |
Q: I came across the following code: mov al,es:[si PLUS 14] xor al,bl ...
A: I am not proficient in assembly coding. So, it will be wrong for me to answer this question. If you ...
|
| c problem | 7/2/2007 |
Q: I am Pratibha doin my M.Tech project in turbo c/c++. I have problem in creating library. i review my ...
A: I think, you are having different type of declaration for the same function, in different places. ...
|
| handling of large numbers in c++ | 6/28/2007 |
Q: I am a student of M.Sc(maths) in IIT(DELHI). i am working on a problem finding quadratic residue for ...
A: With current limitations, I don't think that is possible. But, you can use your own functions to ...
|
| c with Pointers | 6/20/2007 |
Q: hai narendra my name is kedarnath. i am new to C language . i have shifted java to c language in my ...
A: I don't have any URL's on this subject. But, if you search in google, you will get thousands of ...
|
| segment fault | 6/14/2007 |
Q: Please help me in solving error comming in following code. MYSQL_RES *result; result = ...
A: You have posted partial code and I have to do lot of guess work! Anyway, here is what I think is ...
|
| largest no from matrix | 6/6/2007 |
Q: how can i pick up largest no from 5 rows by 5 column matrix???
A: Keep a temporary variable and assign the value of array[1,1] to it. Now, visit all the values in the ...
|
| memory allocation | 5/11/2007 |
Q: How are you? I am trying to write a program that operates with large arrays. The code below ...
A: I don't work on Windows and it has been ages since I used Turbo C compiler. 17 years back I had used ...
|
| memory allocation | 5/10/2007 |
Q: How are you? I am trying to write a program that operates with large arrays. The code below ...
A: > The code you sent me is very useful but when I compile it, I get "null pointer assignment" error. ...
|
| memory allocation | 5/9/2007 |
Q: How are you? I am trying to write a program that operates with large arrays. The code below ...
A: OK. When I compiled your code using "Sun Studio Compiler", I found some problems. Though it was ...
|
| c pointer problem | 5/8/2007 |
Q: My reverse string program is crashing on "*str(str+i)=*(str+j);" line in the loop char* ...
A: The function that you have posted doesn't have any errors. But, you haven't shown the other part of ...
|
| c pointer problem | 5/7/2007 |
Q: My reverse string program is crashing on "*str(str+i)=*(str+j);" line in the loop char* ...
A: I don't understand this: *str(str+i) Are you trying to use it as array and by mistake putting ...
|
| memory allocation | 5/3/2007 |
Q: How are you? I am trying to write a program that operates with large arrays. The code below ...
A: Looks like you are confused between arrays and pointers. The first and foremost thing you should ...
|
| Segmentation defult | 5/2/2007 |
Q: sorry, I didn't explain it well. I simplified my code and input file to make them understandable. ...
A: Again you missed to explain about the program:) With regard to "segmentation fault", it can happen ...
|
| Help!!!! | 4/30/2007 |
Q: That's me again. In my program if I delete the /** NOTE 1 **/ or I delete /** NOTE 2 **/ (close ...
A: You haven't given the problem statement. So, I am not able to understand what you are trying to do. ...
|
| fread() | 4/23/2007 |
Q: Hey, I'm trying to read a file one byte at time but I want the computer to forget each byte by the ...
A: First of all, you have not posted the complete code. I don't know how you have defined myfile and ...
|
| INCLUDE | 4/18/2007 |
Q: What is the difference between the two header file declaration formats: #include <string.h> and ...
A: If you put angle brackers (<stdio.h>) your compiler will search for the specified .h file in ...
|
| read BMP | 4/18/2007 |
Q: I found this C code on the internet. They claim that it works (reads bmp files) but when I run it, ...
A: I don't see any error in the first line. The problem could be due to some "Non-Printable characters" ...
|
| read BMP | 4/17/2007 |
Q: I found this C code on the internet. They claim that it works (reads bmp files) but when I run it, ...
A: It will be easier to analyze, if you post the exact errors that you are seeing. But, I don't see any ...
|
| C Program for comparing two text files which are not in sequence | 4/14/2007 |
Q: I need to write a C program to compare two files not in the same sequence. ie. Take one line from ...
A: OK. The problem is very clear. So, have you started writing the algorithm for this? If yes, then do ...
|
| JPEG | 4/12/2007 |
Q: I have a 100 x 1000 picel black and white JPEG image. I'd like to convert the JPEG into a matrix ...
A: You will need to understand the JPEG data format. Then only you can understand what is written in a ...
|
| !Expanded Source Code | 4/2/2007 |
Q: Narendera, I would like to ask the following: Q1. What is the exact sequence of execution of a ...
A: Q1. What is the exact sequence of execution of a program in c Language? I mean, what all processes ...
|
| what about data segment | 3/27/2007 |
Q: What is that initalized data segment and uninitalized datasegment. where does the const variables ...
A: In your program, you will initialize few variables during declaration itself and some you don't. So, ...
|
| Prob. Array Index | 3/25/2007 |
Q: Why Array index in C Language begins at 0[zero]?
A: This has something to do with the way pointers work. Array name is a constant pointer pointing to ...
|
| doubly linked list | 3/15/2007 |
Q: i have already created this program but there are certain problems that i do not know how to ...
A: I am finding it difficult to understand your code. Do you have the algorithm of this code? That ...
|
| out put data of C programme to be printed in destination file | 3/1/2007 |
Q: the continuos data which is measured from given input to the device converts the digital output with ...
A: If you want to do this inside a program, do this: 1. Open the o/p file in read/append mode. 2. use ...
|
| C program doesn't run | 2/14/2007 |
Q: I have written this code to find the value of the "Taylors" function. There are no errors but when I ...
A: I don't see anything wrong with the code. It could be the OS/terminal that is having the problem. ...
|
| console programme | 2/4/2007 |
Q: Simply I'd like to know how can i load a bitmap in my console programme? Please Sir if possible i ...
A: I don't have any source code collection with me. So, I will not be able to give you the source code. ...
|
| NULL MACRO | 10/26/2006 |
Q: what is null macro?what is the difference between null macro and null poniter?
A: NULL Macro is used to represents null pointer in source code. NULL macro is defined in stdio.h and ...
|
| pascal triangle | 10/20/2006 |
Q: sir this is my second request asking u to write a C progarm to print pascals triangle as i am ...
A: Here is you requested source code #include<stdio.h> void main() { int num,x,y,a[50][50]; clrscr(); ...
|
| C program | 10/18/2006 |
Q: sir i would like to know how to write a simple program to print pascals triangle in C hoping for ...
A: First tell me what is "Pascals Triangle"? And do you know the mathematics behind this concept. ...
|
| programming using c | 10/11/2006 |
Q: how do you code a program for merge sort eg like trying to sort numbers like(89, 72 , 3, 15, 21, 57, ...
A: First try to understand what is merge sort. This is explained in all the "Data Structures" books. ...
|
| error in c language | 10/8/2006 |
Q: what is syntax error, logical error & data error in c language, if there is any other in thi ...
A: Every language has got set of rules. If you make a mistake while using the language, then it is ...
|
| reverse string program in c | 10/1/2006 |
Q: i saw your code about reversing a string in c. Would it be possible if you could send me a copy of ...
A: Here is the code, that I posted in my previous answer. And if you are a C programmer, you will ...
|
| reverse a string | 9/29/2006 |
Q: I am a beginner in C. I am trying to write a functin in C to reverse a string in place.This is the ...
A: May be the string you are sending is not having 'n' places! And in the end of your function, you are ...
|
| remove white space from a string | 9/24/2006 |
Q: I have managed to make a program that counts all the characters in a string but how can i remove the ...
A: Copy all the characters of this string to another string variable. While doing so, don't add the ...
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| Is there a limitation on fopen function? | 9/22/2006 |
Q: I noticed there is a limitation on fopen function. It does not seem to open a filename ...
A: If at all there is limitation, then that must be from the Operating System. But, as I know, all the ...
|
| how can I send an int value to website | 9/17/2006 |
Q: I am working on linux with gcc compiler and i am reading some int value from a file and I want to ...
A: It is not the C programming that helps you in this. It is the underlying protocol, which you need to ...
|
| Problem with fgets and fscanf | 9/5/2006 |
Q: I got a problem trying to use fgets after fscanf. I don't know what the problem could be but I ...
A: The problem you are facing is because of the buffering involved in scanf() functions. So, to ...
|
| Travelling Salesman Prob | 9/3/2006 |
Q: Im stuck with a program that i have to write in c. Its the Famous Traveling Salesman problem, better ...
A: Where is your program and where you are stuck? First of all, have you understood the concept of the ...
|
| Adding mouse to simple C program | 9/1/2006 |
Q: I am writing a small snake ladder game in plain old C. I would like to : 1- Add some interesting ...
A: Whatever you have asked is not part of C programming. It is specific to compiler and also to ...
|
| Compressing data without libraries | 8/29/2006 |
Q: How would i go about compressing a struct-variable? This is somewhat what it looks like: [code] ...
A: Compression is not a simple thing. It mainly depends on the type of data you are handling. In your ...
|
| delete | 8/28/2006 |
Q: i he problem in this code Q------>1. int *p,x; x=5; p=&x; cout<<*p; // ist delete(p); cout << *p; ...
A: Looks like your pointers basics is not yet clear! 1. Here you are doing delete() without performing ...
|
| demo versions | 8/27/2006 |
Q: i would like to know about demo verions . and make this ques clear ? Q:------> How are portions of a ...
A: If they are doing using a #if condition variable, then you cannot do anything to overcome that in an ...
|
| hi | 8/26/2006 |
Q: Can I get all the code for restarting the Computer b'coz I would like to add new things & learn new ...
A: You can surely get. Sun has made Solaris open wource. And it has the init command, reboot command, ...
|
| compile,run time mem allocation | 8/25/2006 |
Q: i would like to know what is the difference between memory allocation at compile time or memory ...
A: Memory allocation at compile time is also called static allocation. Memory allocation at run time is ...
|
| Union undefined variables default value | 8/24/2006 |
Q: Can u explain me the output of the following code? #include <stdio.h> void main () { union { int i; ...
A: For any variable (except global variables), the value is undefined when it is defined. You must ...
|
| How to step through a program using GCC? | 8/23/2006 |
Q: I am quite new to GCC. I encountered program abortion whenever I set it to run. So do you happen to ...
A: I use GCC on Solaris (Unix) platform. I don't use any IDE to use it. Always I use gdb debugger, to ...
|
| Followup Question on Odd File Format | 8/22/2006 |
Q: I did a few tests yesterday on the odd file format. I used fnsplit to try to obtain the indivitual ...
A: I am really surprised to know that, the filename itself is a problem. I think, MS Windows has some ...
|
| Followup questions on my very first question | 8/21/2006 |
Q: I used 'r+' to open the file. According to my reference book (deitel & deitel), 'r+' should allow us ...
A: May be what you said regarding "r+" is correct. But, most of the times we use "a" for reading and ...
|
| Followup Question | 8/21/2006 |
Q: I used fopen to open the file. Based on the error message, it is not reported correctly. The errno ...
A: I don't think the double "." matters. Check the file permissions. Does everybody have "read" and ...
|
| How to overwrite a specific line in a file? | 8/20/2006 |
Q: This question is in fact a follow up on my first question that I asked you earlier on about the ...
A: Are you getting any errors here or your o/p is not correct? I think there are two mistakes in your ...
|
| putting things in a box | 8/20/2006 |
Q: I am studying c programming. I have been trying to put 5 time multiplication table in a box for 3 ...
A: I wasn't able to understand your problem. I don't know what is "multiplication table"! If you can ...
|
| Are all file format readable by C programming? | 8/19/2006 |
Q: It's me again. I am facing another problem again with openning a file named ...
A: Are you trying to open it with fopen() or open()? If you are using one of these, then you can check ...
|
| How to read a line in a text file using C? | 8/16/2006 |
Q: :) However, when I tried to use fgets as suggested by you, it caused run-time error: General ...
A: You can use malloc() to allocate memory to the pointer at run time. But, even for that, you will ...
|
| Mouse programming in C | 8/15/2006 |
Q: I like to know how to restrict mouse pointer in the screen out side a rectangle in C language.Also ...
A: Actually graphics (or window programming) is not part of C. The reason is, each system comes with ...
|
| how to reverse a number(any length) | 8/14/2006 |
Q: i just want to know the loop of the above said problem.i am just a bigginer to C.so kindly consider ...
A: Writing code is the last part and that is very easy. But, what about the algorithm (steps), which is ...
|
| exit | 8/13/2006 |
Q: why v r using exit(0) in some program...wat it exactly do..
A: I think you can very easily see a detailed information of this in a man page. exit() is a function, ...
|
| operator | 8/12/2006 |
Q: i would like to know how this statement will be evaluated by the complier. p= ++i + ++i please ...
A: ++i is a pre increment operator. And you have two such statements in there. So, if the value of i ...
|
| converting hexadecimal to decimal by divsion? | 8/7/2006 |
Q: Is it possible to convert from Hexadecimal to decimal by a division algorithm? I am looking to do ...
A: This is a mathematics question. (Nothing related to C programming) As I know from maths, hex to ...
|
| Segmentation fault | 8/4/2006 |
Q: I have worked on this for at least 8-10 hours. The program uses my version of the strcmp() function ...
A: Change: if (i=maxstring) To: if (i==maxstring) And why do you need so many swap functions? You can ...
|
| constant volatile | 8/3/2006 |
Q: ok so wt is volatile and where it is used in developing Device driver in linux
A: I don't write device drivers. So, I don't know where it is used in device drivers. Here is whatever ...
|
| constant volatile | 8/2/2006 |
Q: i want to ask what is constant volatile and wherer it is used regards pankaj
A: I have never used "const volatile". So, I don't know the answer. But, if the volatile variable is ...
|
| c | 7/31/2006 |
Q: Can you tell me how to write a c program which produces its own source code as its output 2. What ...
A: 1. This is called obfuscated C code. I don't think this is very difficult. The only important ...
|
| C Language | 7/31/2006 |
Q: How to create a program that prints the numbers 1, 3, 2, 5, and 4 in descending order using the "for ...
A: Forget C language for a moment. Given the same set of numbers, how do you do arrange them in ...
|
| converting file formats | 7/26/2006 |
Q: How to convert binary file format to ASCII format?
A: I don't think this is possible. ASCII is a set of 128 symbols. And this makes use of only 7 bits in ...
|
| generic linklist in c | 7/25/2006 |
Q: how to implement a generic linklist in c? if you are able to implement it then how you are able to ...
A: What is a "Generic Linklist". There is no such thing in C. It must be a concept in data structures. ...
|
| struct packing | 7/25/2006 |
Q: Why structure packing is required? Also, how to access members after packing?
A: I have already answered this question. So, why don't you check my previous answers and you will get ...
|
| About C | 7/24/2006 |
Q: How can we use reference and pass reference and use pointers in the c++ And what is the diffenrence ...
A: This is a C category and you are asking C++ related question here:-) Reference is a variable which ...
|
| return type | 7/23/2006 |
Q: i would like to know what printf() or what scanf() functions returns. ya i know that i can see their ...
A: > i dont know how can i see the prototypes in header files Search for printf() in stdio.h. And your ...
|
| c- device drivers | 7/22/2006 |
Q: Sir ! is it possible to access registers ( Directly like assembly Language ) , interrupt ...
A: If you are doing something with TurboC, the same should be possible in Visual C also. If it is ...
|
| Reading in files | 7/15/2006 |
Q: I have two functions both are to read in information from a txt file and count how many records ...
A: You are trying to: > I have it displaying a count of how many orders which is the left column But ...
|
| char pointer | 7/14/2006 |
Q: I'm getting bit confused with the character pointer that I used. The program is like this, from ...
A: Try this corrected code: #include <stdio.h> #include <stdlib.h> #include <string.h> void ...
|
| matrices | 7/13/2006 |
Q: I've been working on this all week and I still can't figure it out. I'm having problems writing the ...
A: Here is a program which does the same thing. Only difference is, I am not passing array to ...
|
| function pointers | 7/11/2006 |
Q: in an interview i was asked to write a program which receives 3 values and selects a function ...
A: int fun() { } calling_fn(int ch) { // Declare your function pointer here, say *fn. ...
|
| C String handling | 7/10/2006 |
Q: I wanna ask u is there any built in function for removing a pateern of string for eg. ...
A: I hate to give code. You could have written this by yourself! Anyway, here is the code: #include ...
|
| memory allocation | 7/8/2006 |
Q: how memory is alloted for float nos,are they stored in form of binary equivalents like int?
A: No. For float and double the value is stored in a different way. It uses a IEEE standard way and you ...
|
| to be continues! | 7/8/2006 |
Q: "sorry for making it so unlclear to you. i'm allowed to use temp variables as well as pointers but ...
A: OK. Till now I was thinking that you have two arrays having two different names and you are trying ...
|
| switching person's name continues?! | 7/6/2006 |
Q: sorry for not being so clear but also i have to use pointers so that i have used this kind of code ...
A: So, what is the complete problem statement? You must use pointers and you should not use malloc!? Is ...
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| switching person's name continues?! | 7/6/2006 |
Q: well the thing is i ain't allowed to use malloc .. as u have explained it to me the thing is i have ...
A: Here is the corrected code: #include <stdio.h> main() { char name1[25], name2[25]; ...
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| function pointers | 7/5/2006 |
Q: What are function pointers? Why is it used? how can we use function pointer instead of switch-case?
A: What are function pointers? Function pointers are basically pointers. Instead of holding an address ...
|
| pointers to structures | 7/3/2006 |
Q: sir, could u please tell me the method to declare a float type variable in a structure and read the ...
A: Here is the corrected code: main() { struct complex { float x; ...
|
| c program | 7/2/2006 |
Q: please give me the explanation about the output of the following program... main() { int i=5; ...
A: You have i++ + ++i. So, the expression has to be processed before sending to printf(). When i++ is ...
|
| function(parameters) | 7/2/2006 |
Q: i m unable to understand this code.pls explain how these parametrs are passing . void pascal f(int ...
A: I don't understand what you are doing! Why 2 functions with the same kind of body!? You are passing ...
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| C programming | 6/30/2006 |
Q: sorry, i have asked before about how to switch names and you have showed me how u use a function, ...
A: I don't have the code that I had given you. If you post that, I can show you how to use it. ...
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| malloc | 6/29/2006 |
Q: I have some qns. Please answer. 1>why is malloc returning a void pointer? 2> what happens, if the ...
A: 1. There are many different data types. And your pointer can be of any data type and you want to ...
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| linkfloat() | 6/28/2006 |
Q: I regularly read the questions asked by anyone The same ques which ravi has asked about the need of ...
A: In this program, linkfloat() is not used anywhere. I don't know where he intends to use it. And that ...
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| using C to convert file formats | 6/27/2006 |
Q: I am converting raw binary data from a GPS into a standard format (RINEX v3.00). The raw data ...
A: Are you looking for a C source code? If that is so, I don't know. If you want to know how to open ...
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| Pointers | 6/23/2006 |
Q: 1) void RLeft(const char *input, char *output, int length) { int i; for(i=0;i<length && ...
A: I have few suggestions for you: 1. Write clearly of what is happening and what you expect to ...
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| error reading text file | 6/23/2006 |
Q: Again a big problem for me but a flick of fingers for you. Here is the simple high level file IO c ...
A: I compiled and executed your program on Sun-Solaris and it didn't crash. It printed the contents of ...
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| printf | 6/20/2006 |
Q: printf is a function. so where its definition is stored. what is the need of header file..
A: I think, yesterday itself I answered this question and I think you only asked this! Anyway, I will ...
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| printf | 6/18/2006 |
Q: where the definition of printf is stored? wht ia the need of header file ?
A: See I had answered this question 2 days back and the answer is attached below. Why are you wasting ...
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| pointer to function | 6/16/2006 |
Q: can u tell me what is callback mechanism? where it is used.Hello Narendra, IS function pointer and ...
A: Callback is used in cases, where there is heirarchy. In that type of systesm, you can make call from ...
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| pointer to function | 6/16/2006 |
Q: IS function pointer and pointer to function both are same ? explain me function pointer details with ...
A: Yes both are same. It is also like any other pointer, which can hold address. In this case, it holds ...
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| Structure padding and packing | 6/15/2006 |
Q: I wants to know the difference between structure padding and packing. Regs, Tajinder
A: Structure padding is, adding extra bits at the end, so that the structure completes the word ...
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| float storage | 6/14/2006 |
Q: i want to ask about how float stores in memory? because after seeing this program i am in great ...
A: The reason for this is, the way float is represented in memory. Usually IEEE standard is used for ...
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| How to resolve the un-resolved symbols | 6/7/2006 |
Q: I am compiling C code by including the .sl file(HP-UX). When I tried to execute That EXE file It is ...
A: So, you compiled with a shared library. And while executing, this executable is not able to find ...
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| seting a struct pointer to NULL | 6/6/2006 |
Q: Your last solution surely works. However, in my case I cannot change the synopsis of the ...
A: OK. So, you want to keep the same prototype for the function. Then, there is one more way, you can ...
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| seting a struct pointer to NULL | 6/6/2006 |
Q: Here is my code: #include <stdio.h> #include <stdlib.h> // Some struct typedef struct{ void *ptr; ...
A: Try this and see if it works. Do let me know whether it worked or not!? (I am really curious to know ...
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| seting a struct pointer to NULL | 6/5/2006 |
Q: I have a function like that void CloseDisplay(Display *disp){ ... } where Display is a typedef ...
A: Your question is not clear to me. Any pointer can be set to NULL. I will try to guess what you are ...
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| for loop | 6/2/2006 |
Q: (1) for(i=0;i<100;i++) { for(j=0;j<1000;j++) { } } (2) for(i=0;i<1000;i++) { ...
A: I am not able to understand your question! Everything depends on the context. First one can be ...
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| some dobts in c | 5/29/2006 |
Q: i have some interesting doubts in c. 1)How to write a program which produces its own source code as ...
A: 1. Open your source code from your program. Read it and write to screen. Do this till the ...
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| C | 5/27/2006 |
Q: i was asked in interview that " we wrote a c program using function and also assign memory from ...
A: This cannot be a generic question. This must be specific to operating system. Each OS will have its ...
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| dinamic Hashtable, problems with malloc and realloc | 5/25/2006 |
Q: I have this declaration: ---------------------------------- static spam_item *HashTab[101]; ...
A: HashTab is an ARRAY of pointers. And the size of this ARRAY is 101. This is fixed and you can never ...
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| dinamic Hashtable, problems with malloc and realloc | 5/25/2006 |
Q: I have this declaration: ---------------------------------- static spam_item *HashTab[101]; ...
A: Use realloc() with new size. It will retain the old data and changes the size to new value. If your ...
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| FILE POINTER | 5/24/2006 |
Q: So i have a simple qustion,(sorry by the english:$), i like to know, if i can after make a(for ex:) ...
A: Yes, you can do this. But, you must never do fp-- or fp++. C gives a function called fseek() to ...
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| jpeg images in c | 5/23/2006 |
Q: how can i use jpeg images in clanguage and how can the .datt files can be opened using c language ...
A: You will be opening the jpeg files as you open any other files. Hope you know, how to open a file in ...
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| watch!!!! | 5/22/2006 |
Q: i am talkin about turbo c.in a c program i just want to watch the values of a variable during its ...
A: I don't use any of these IDEs such as VC++ or Turbo C. I alsways use gdb. As far as I know, these ...
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| please help me:Macro with argument | 5/16/2006 |
Q: But I am not getting why it was incremented twice because i++ is equal to i+1 . When the C ...
A: Yes, i++ means i+1 only. But, i++ is executed twice. Here is how it happens. The statement: ...
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| please help me:Macro with argument | 5/15/2006 |
Q: This is the code which i run on GNU C compiler (from knitkar let us C) #define PRODUCT(x) (x*x) ...
A: First of all, you must understand that Macros and functions are different. So, they don't have to ...
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| c is systems progamming language.
what... | 5/10/2006 |
Q: c is systems progamming language. what does this mean?
A: That means, you can use C lnguage for Systems Programming. "Systems Programming" means writing code ...
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| Segmention Fault | 5/6/2006 |
Q: im a begginer in c, im portuguese, and my english is too bad, sorry. My question is about my ...
A: I have modified the make vectorspam() function. Can you please try this and let me know whether ...
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| crash in _endthreadex | 4/26/2006 |
Q: Application is developed using the Visual Studio 6.0, use Multithreaded version of C Run Time ...
A: first of all I don't work on windows. And by just looking at a piece of code, you will never be able ...
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| Pointer's Implementation of Queue in C, not working! | 4/21/2006 |
Q: i've written a program in C for pointer's implementation of Queue it doesnt seem to work properly, ...
A: I am exetremely sorry for the delay in replying. I was held up with some important work and also my ...
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| Merge Sort in C | 4/20/2006 |
Q: I'm not able to understand how the merge sort recursive function works, I've checked the text books ...
A: MergeSort uses divide & conquer strategy to sort the elements. Here, you go on dividing till only ...
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| C - dynamic memory | 4/18/2006 |
Q: I have a another question. I know that by using malloc and relloc you can assign memory to a ...
A: Make a initial guess (or calculate) and allocate using malloc(). In the loop when the string is ...
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| C - time | 4/17/2006 |
Q: From many sites/books I found that this is how u find the time you cpu takes to do a piece of code. ...
A: Actually the output given by clock() command is of microsecond resolution. If you want you can also ...
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| what is main()?why we use... | 4/13/2006 |
Q: what is main()?why we use yhis in c programming? wahat is a function
A: A function is a block of code. It has been put together so that you can make use of it without ...
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| C language | 4/11/2006 |
Q: Write a program in C language to implement a Dqueue.
A: Don't you feel ashamed to ask others to do your homework!? Don't be lazy. Do your homework. If you ...
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| audio player in c | 3/31/2006 |
Q: sir we are trying to make an audio player in c.please give me some idea about playing audio ...
A: These are all standard file formats and you can get the specifications in the net. But, more than ...
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| C programming Question | 3/25/2006 |
Q: Could u write the program out for me for the Question i had sent u..can i ask for more help with my ...
A: You are doing C programming and you must learn it properly. Don't expect SPOON FEEDING at this age ...
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| Call by Reference | 3/25/2006 |
Q: * Using pointers, make a program that reads two integers, then calls the swap function to swap them. ...
A: I will not be able to give solution, if I am not able to understand what is the problem. You have ...
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| C-- parsing data from file | 3/16/2006 |
Q: I am started in C program. I have to do a program which read and write data from a file and should ...
A: Instead of trying to get readymade programs (spoon feeding), try to study the book and trying out ...
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| about memory address | 3/16/2006 |
Q: Have u possible to store a value in to a specifis loation?(for ex i want to store 13 to addre ...
A: First of all, why do you want to store to a particular location? How did you get that address and ...
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| how to read * .dat file generated by pci card which is already available iin physionet.org how to read in c program | 3/14/2006 |
Q: any one can help me doing my project. my doubt is how to read the *.dat files generated by ecg ...
A: It is not garbage. It is binary data. So, you have to find out the format in which the data is ...
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| 'C' Programming & Data Structure Questions | 3/12/2006 |
Q: Q.1> Write a program in ‘C' language which accepts inorder and preorder traversal outputs of a ...
A: You are asking questions as if you are interviewing me. You will not learn anything, if I give these ...
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| Print | 3/6/2006 |
Q: How to print some text on the screen without using statements like printf,sprintf,puts? Please give ...
A: printf(), puts() etc, are some wrappers that your C program is giving. These wrappers call the ...
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| Functions differing on different platforms (Mac & PC) | 2/27/2006 |
Q: I am currently learning C programming at a local college (I'm in week 4 of an 18-week part-time ...
A: > Both types of machine are using the GCC compiler so, as I > understand it, the code should be ...
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| what happens if I do this... | 2/27/2006 |
Q: what happens if I do this (in C on unix).. /* program starts */ int *p; p = (int *) calloc(100, ...
A: Here you are allocating (100 * sizeof (int)) to p. Again in the next line, you are overwriting it by ...
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| Strange behaviour in Floating Poing Arithmetic | 2/21/2006 |
Q: I came across some strange behaviour in dealing with floating point arithmetic in a C code. The code ...
A: The reason for this is, the way floating point number is represented inside your computer. It is not ...
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| File Handling | 12/24/2005 |
Q: Sir, I have used filelength function in C as follows, long l; l=filelength(fileno(fp)) The ...
A: For that, you will have to write your own function filelength_long(). And finding a file size is not ...
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| B-tree HELP | 12/23/2005 |
Q: I'm preparing a university Mini-Project about B-TREES : insertion ,deletion and printing. Well i've ...
A: First of all try to understand the data structure first. Then only get into programming. And B-Tree ...
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| How can i assign an icon to the executable program compiled from c code. | 12/20/2005 |
Q: All the c programmes compiled by turbo c++, turn as dos shaped boxes icon on windows screen. I ...
A: C program has nothing to do with the icons. It doesn't know what is icons! Icon is something related ...
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| How can i assign an icon to the executable program compiled from c code. | 12/19/2005 |
Q: All the c programmes compiled by turbo c++, turn as dos shaped boxes icon on windows screen. I ...
A: I don't know, in what way C programming comes into picture here. Looks like it is a problem with ...
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| Programming languages | 12/14/2005 |
Q: How can I get my laptop computer, Dell, to program in "C"? How do I go about doing that?
A: Install an operating system first. If you chose Sun-Solaris (which I think is very good for ...
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| Extracting Data from a Program | 12/6/2005 |
Q: Hey there. Is it possible to extract a certain value from one program to another program (written ...
A: If whatever typed into word doc is saved and if your program knows the name of that file, it can ...
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| algorithms in C Language | 11/26/2005 |
Q: My question is "how to write algorithms"? That is, whether i need to use any specific terminology ...
A: There are so many books on the subject in the market. I had referred "Horowitz and Sawhni" during my ...
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| C' memory map & .... | 11/20/2005 |
Q: 1>What is C's memory map ? 2>Can u give me a detail idea about interrupt vector table in C? 3>How ...
A: As I told you before, the question you are asking is not directly related to see. "memory layout for ...
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| C' memory map & .... | 11/17/2005 |
Q: 1>What is C's memory map ? 2>Can u give me a detail idea about interrupt vector table in C? 3>How ...
A: First of all I don't use Turbo C. And your question is not related to C. The answers change from ...
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| OS | 11/17/2005 |
Q: Sir I am Designing an Operating System that could fit in a floppy (in Assembly ). but I feel it to ...
A: The size of floppy is 1.44MB? So, if your image has to fit inside this, it is very difficult. I am ...
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| Converting array queue implementation to linked-list | 11/10/2005 |
Q: I have a program for my programming class that uses an array queue implementation. I am supposed to ...
A: The basic thing about Linked List is that, each node points to next node. In programming ...
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| doubt in very basics of c | 10/27/2005 |
Q: pls tell me how to assign an integer value to a char. for ex int a=10; char b[10]; b=a;//but this ...
A: What do you mean by "assign an integer value to a char"? If a is 10 and you have a char array b. ...
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| logical error neglected | 10/21/2005 |
Q: please read the following code //outputs the average of previous positive numbers #include<stdio.h> ...
A: It is working by chance. If you try on different systems, (even with the same compiler) you will see ...
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| C related to programming | 10/18/2005 |
Q: main() { unsigned char a,b,c,d; a=100; b=40; c=10; d=a*b+c; printf("%d",d); } the ouput of this ...
A: Looks like this is a question asked in some quiz or interview. First of all, you must understand ...
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| can u give me all solved answer(programming coding) of book of programming in ansi C(Balagurusamy) | 10/17/2005 |
Q: ok sir can u tell me code of harmonic series
A: I don't understand you. Why are you searching for free code? Looks like you are a student. My ...
|
| date | 10/13/2005 |
Q: how can i calculate the age using the present date then outputing the age down to the week of ...
A: First of all, can you solve this mathematiclly? If yes, then the same steps can be used to write ...
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| Make a .COM file | 10/13/2005 |
Q: Sir, How can I complie my .c file to a .com file using c compiler? Pleeez help.
A: First of all which is the platform you are using? And what compiler you are using? Looking at your ...
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| introduction to C programing | 10/9/2005 |
Q: This is what I did #include<stdio.h> #include<conio.h> int main (void){ int EN; float ...
A: Still there are lot of mistakes! You are using DA in the calculation: NP = DA - 10.00; But, where ...
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| introduction to C programing | 10/9/2005 |
Q: This is what I did #include<stdio.h> #include<conio.h> int main (void){ int EN; float ...
A: #define single 1 #define Married 2 #define Senior S #define Intermediate I #define Junior J #define ...
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| introduction to C programing | 10/7/2005 |
Q: This is what I did #include<stdio.h> #include<conio.h> int main (void){ int EN; float ...
A: Without indentation it is very difficult to read and understand a program. Here is your code with ...
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| introduction to C programing | 10/4/2005 |
Q: A company has ten employee.They paid by experience.write a program which displays employee ...
A: OK, where is your code? Were you able to compile it? If you are able to run, it give me the sample ...
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| c- device drivers | 9/30/2005 |
Q: sir! thanks for your reply! well iam about to start my task in short. before that in a file system ...
A: I have never implemented a file system. Here is some idea that you can make use of (but I don't ...
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| c- device drivers | 9/29/2005 |
Q: sir! i would implement a file system using c Language! i expect plenty of suggestions to perform ...
A: OK. Go ahead and do it. First of all, you will need to understand what is a file system. And on ...
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| How non-local jump is possible... | 9/28/2005 |
Q: How non-local jump is possible in C programming ?
A: I don't know what you understand by the word "non local jump". You can consider function call ...
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| file manipulation in c | 9/28/2005 |
Q: i want to read a file and display the contents of the file. how do i go about doing it. Example...a ...
A: Here is the code and you can directly use this. Please let me know if you face any problem while ...
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| linking to gmp in dos | 9/26/2005 |
Q: In the manual for the GNU Multiple Precision Arithmetic Library, it states, "All programs using GMP ...
A: Which compiler? If you are using DOS/Windows, then you must be using some GUI also. Then in one of ...
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| c- device drivers | 9/26/2005 |
Q: i expect suggestions over maintaining Directory on our own on a floppy disk, allocating memory from ...
A: OK, you can do that. Use mkdir to create directory. I think your question is not clear. Can you ...
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| introduction to C programing | 9/25/2005 |
Q: if user gives you 5 numbers how you find the max and min number.structured english for answer ...
A: 1. Min = 0, Max = 0; 2. Read the list of numbers into array a[5]. 3. I = 0 4. For I = 0, I < 5, ...
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| Qsort function | 9/24/2005 |
Q: I was doing some search online and I found this link and decided it try it out. Here is the problem ...
A: Here is your corrected code. Compare it with your previous code and you will find the difference. I ...
|
| structure padding | 9/23/2005 |
Q: In an interview i was asked about use of structure padding,i told processing speed gets ...
A: What you told is correct. But that is the byproduct. Actually structure padding is done to do ...
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| C | 9/22/2005 |
Q: i am doing my b.tech final yr.i would like to know what r the best certifications in C language and ...
A: Why do you want to go for a course and waste money. For the same money (or even less), purchase a ...
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| Data Structure | 9/21/2005 |
Q: Sir, Thanks, your answer is very much satisfiable but you have not mentioned anything about BIG O ...
A: This is not a platform where I can do the teaching. I can help you in coding related problems. ...
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| Data Structure | 9/18/2005 |
Q: I am begginers in programming. I just started doing Data Structure. I found it very useful and ...
A: There can be 10 different algorithms (or solutions) to a problem. Which one you will follow and ...
|
| layer fragmentation | 9/18/2005 |
Q: I'm implementing a layered network in c, and was wondering if you could please help or point me in ...
A: Fragmentation & de-fragmentation is a well defined network protocol. So if you study the RFC's of ...
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| how to use HTTP GET method in a C program | 9/17/2005 |
Q: Sir, I have to do a simple web proxy server using HTTP 1.0 and C . The web browser is a client ...
A: HTTP is a protocol, which has many commands like GET. To implement any such network protocols using ...
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| C | 9/16/2005 |
Q: What is the use of void pointer. Tell me in detail
A: void means nothing! In C, every variable has to have one of the basic types. Even pointers have to ...
|
| My Name is Gifty and I am... | 9/14/2005 |
Q: My Name is Gifty and I am a Newbie to Computer Programing. I am actually now about to study Computer ...
A: Along with C and C++, you can add Java. Java has created a revolution in the network space and is ...
|
| sorting 5 numbers using array | 9/10/2005 |
Q: vaia.. i m using turbo C for c programing. Now i want to sort 5 numbers in descending order using ...
A: I am very sorry to tell you that I don't give codes here. There is nothing called "FREE LUNCH"! If ...
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| link list | 9/7/2005 |
Q: I have query regarding linked list.I need a sample program for linked list sorting(all types of ...
A: I don't maintain any such sample (free) codes. If you are writing code, I can help you in case of ...
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| TEXT FILE-WAV FILE COMBO | 9/2/2005 |
Q: seeing how you are C, i consider you a genuis in computers. i don't know where exactly to go for my ...
A: I am not aware of any tool which would allow you to do that. Adding a text to a wave file is not a ...
|
| File Read/Write failures | 8/31/2005 |
Q: Ulimit couldn't help me because the problem that I face is the disk space gets full and because of ...
A: There is one utility called du, which you can try out and see if it works for you. But, I don't ...
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| output for a c program | 8/24/2005 |
Q: but write() is used to write strings in a file. how can i use it to print integer numbers in the ...
A: printf() is just a wrapper around the write() system call. If you are on Linux or Unix, then you can ...
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| C | 8/17/2005 |
Q: What does extern "C" denote ? what is fract in C programming and the result of sizeof(fract)? Is ...
A: 1. What does extern "C" denote ? extern tells the compiler that its definition is in some other file ...
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| va_start compiled with Linux | 8/9/2005 |
Q: I fixed my va_list problem. so I have a new question for you. I compiled my c program that creates a ...
A: Most of the segmentation fault are because of faulty usage of pointers. If you are getting a core ...
|
| pointers | 8/6/2005 |
Q: i have the structure hostent (built in) struct hostent { char *h_name; char **h_aliases; int ...
A: /* Here is a sample program to show how to use gethostbyname() and the hostent structure If you are ...
|
| behaviour of floats | 8/2/2005 |
Q: float a=.7; if (a==.7) printf ("hallo"); else printf ("bye"); the answer is "bye" ? why 'a' is ...
A: The problem is that, the float is the representation of floats. 0.7 could be 0.6999999! So, you ...
|
| ansi c | 8/2/2005 |
Q: what is difference between null pointer and void pointer
A: A pointer is a variable. When you store the value NULL in a pointer, it is called a NULL pointer. ...
|
| String program | 7/30/2005 |
Q: I need to write a program using scanf() that reads in X number of strings and then sorts them ...
A: You can try char **str; You can use it like this: char **str; int i; str = (char **) malloc(100); ...
|
| File manipulation | 7/27/2005 |
Q: How we create a record out of 1 million in c LANGUAGE(take shortest time) if Yes, Please give a ...
A: > create a record out of 1 million What is the meaning of this? And what does C language has to do ...
|
| array declaration | 7/20/2005 |
Q: how to declare a two dimesional array dynamicaly
A: You can use double pointer and then allocate memory. After this use it as you use a 2-dim array. ...
|
| Fortran Question about vectors | 7/19/2005 |
Q: I was wondering how to approach and code the following, i know its in Fortran i want it, but i just ...
A: Array indexing begins at 0. So, Vx1 will be at V[0][0]. Regarding the calculation, what you have ...
|
| Sound | 7/17/2005 |
Q: I'm not sure if you'll be able to help with this, but I've searched all over the net for an answer ...
A: I have never worked on this file format. So, I will not be able to provide any help. But, here is a ...
|
| free(), and malloc error | 7/13/2005 |
Q: (Using GCC 3.2.3 under RH Enterprise Linux) I have just re-written a function. All of a sudden, my ...
A: So, according to you your program is correct and computer may be doing something wrong!!? Without ...
|
| C - floating point | 6/27/2005 |
Q: I have 2 problems in C regarding floating point, please help : (I am using turbo C++ ver-3.0 and ...
A: The reason for this is that, the real numbers are not represented in the way you see it. So, 0.7 ...
|
| need help on C project | 6/22/2005 |
Q: Yes Mr. Narendra, u r right, I m looking 4 documentation, becuase I can not take the documentation ...
A: > becuase I can not take the documentation frm my company and its too long to submit So, that means ...
|
| need help on C project | 6/21/2005 |
Q: Narendra I have done lot of projets for the industry but my prob is I dont have any proper ...
A: I don't understand what you are speaking! This is your first statement: >I need a sample ...
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| need help on C project | 6/21/2005 |
Q: I need a sample application in Ansi C or Turbo C, along with the complete documentation. I need to ...
A: I feel very sorry for you. You are a graduate student doing final year. You should be enthusiastic ...
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| c programming | 6/12/2005 |
Q: if i want to write a function in C in which fuctions arguments can change dynamically.. e.g like ...
A: That is called variable arguments. For that, you will have to make use of VARARGS. In solaris, there ...
|
| Memory | 6/10/2005 |
Q: where in memory the variables are stored? Local variables, global variables, static. Answer - ...
A: ROM is Read Only Memory. So, that means you cannot write into it. So, your program doesn't have ...
|
| LCM and GCD program | 6/10/2005 |
Q: I need C program for finding LCM and GCD. Thanks
A: For writing any program, you need to know two things. First is the algorithms (steps to solve the ...
|
| diff b/w global and extern | 6/7/2005 |
Q: Is any difference there b/w global and extern variable, if it there can u explain?
A: First of all there is no keyword called "global". extern keyword will tell the compiler that the ...
|
| Re; Building libraries | 6/7/2005 |
Q: Regarding building libraries I was talking about msdos based libraries where the library code is ...
A: First of all, it is not the function that gets linked. It is the library that gets linked. And that ...
|
| Re; Building libraries | 6/6/2005 |
Q: Tcc version 3.00 tlib version 3.02 tlink version 5.0 We are having a small problem in turboc. We ...
A: That is what is expected of a library. Say your library has 5 function definitions. And you link ...
|
| Doubts about the C language | 6/3/2005 |
Q: I have few doubts about the C Language. 1. Does C Language support function overloading? 2. Does ...
A: 1. Does C Language support function overloading? Answer: As I understand from C++, function ...
|
| Puesdo code | 5/31/2005 |
Q: I am trying to write some Puesdo code to show the design for a program that scans for the lowest ...
A: 1. var array[1 to n] 2. var smallest_number = array[1] 3. var i = 2; 4. Repeat steps 4 to 8 5. if ...
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| learning programming | 5/31/2005 |
Q: I'd like to learn how to program. I've looked at various pages on the internet. they say they are ...
A: So, as I understand from your posting, you need to learn BASIC or C. I do work in C and can help you ...
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| learning programming | 5/30/2005 |
Q: I'd like to learn how to program. I've looked at various pages on the internet. they say they are ...
A: First of all, you have to decide what you want to program. Do you want to write some code related to ...
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| Data Structure | 5/28/2005 |
Q: Can u give me the code in c langugae to implement BTree using Coreman Algorithm. Thanks Raj
A: There are algorithms available. Why don't you try to write the code and use it? That will help you ...
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| Having a problem compiling | 5/24/2005 |
Q: I am tring to fing out the results of sum1,sum2 but I am having a problem compiling this code. What ...
A: There is no compilation errors in this file. There can only be warning, which you can ignore. The ...
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| writting program with C language | 5/20/2005 |
Q: Followup To Question -Followup To Question -writte program that : give two number for example(n ...
A: If you are really using C programming, then you can very easily understand the algorithm that I have ...
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| writting program with C language | 5/17/2005 |
Q: Followup To Question -writte program that : give two number for example(n and k that n>k). ...
A: The generalized solution is very complicated. Try for a specific one. Put the mother list in an ...
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| writting program with C language | 5/16/2005 |
Q: Followup To Question - writte program that : give two number for example(n and k that n>k). ...
A: Your original question is not clear to me. I don't understand the meaning of the sentence: "lower ...
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| code | 5/9/2005 |
Q: please write me a c code that calculates the area of - a sphere -circle of a given radius entered. ...
A: Your tone is as if you are my customer (with deadline)! I am not sitting here, waiting to do ...
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| passing arg 2 of 'sprintf' makes pointer from integer without a cast | 4/22/2005 |
Q: When trying to compile a C program including the code below, I keep getting this error and I don't ...
A: For sprintf(), the first argument has to be a string variable. For example: char *str = (char *) ...
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| b+ trees | 4/14/2005 |
Q: Sir, I'm facing problem coding b+ trees. So please help me by providing algo for it.Since ...
A: B-Tree is a very popular algorithm. If you are studying algorithms for this semester, then this ...
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| how will you create own library... | 4/3/2005 |
Q: how will you create own library functions in c language? can you explain with example?
A: Suppose, you have 2 files send.c and get.c, which are part of your project. Now, you want to create ...
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| C cosine function | 2/27/2005 |
Q: I am trying to take the cosine of a changing integer and have it printed as a list for a certain ...
A: <math.h> is the header file which contains all the related declarations. But the actual definitions ...
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| compiler | 2/23/2005 |
Q: sorry but what i mean is what is the factor to differentiate different types of compilers. There is ...
A: Still it is not completely clear. A compiler converts the source code to machine language. Every ...
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| how to use va_list | 2/21/2005 |
Q: in example u r showing, no of arguments mentioned explicitely in the first argument. is it not ...
A: YES. The first argument is a char pointer, which inturn contains the link to number of arguments. ...
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| Checking the existense of a file in C | 2/17/2005 |
Q: How to check the existance of a particular file resideing in the file system from within a C ...
A: There are many ways to do that. And I list 3 of them here: 1. Open the directory and search for the ...
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| how to get free disk space size in C on linux | 2/15/2005 |
Q: which C function lets me know about size of free disk space in current directory? im using gcc, ...
A: There are two functions which you can use. They are: 1. df 2. du There are manual pages installed ...
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| Flat Database | 2/5/2005 |
Q: What is the best approach in designing a flat database? What is the best data structure ...
A: There is no onething that we can call best. Everything depends on what you store, why you store, how ...
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| "fscanf" and "fgets" problems again. | 2/2/2005 |
Q: I got a exercise with C language. I've got to find an error in part of C code. My program is trying ...
A: Here is the corrected code: #include <stdio.h> int main(void) { FILE *my_file; char ...
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| weird syntax a+++b | 12/14/2004 |
Q: why if I write the following code: int a=3, b=5, i; i=a+++b; printf ("%d",i); // 8 is printed but ...
A: It depends on the way computer interprets the code. It can interpret it as (a++ + b) or (a + ++b). ...
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| C PROGRAMMING | 12/10/2004 |
Q: I'M POSTGRADUATE HOLDER DOING JOB IN PUBLIC SECTOR, I HAVE INTEREST TO LEARN ABOUT C DEPTHLY FOR THT ...
A: This is not the way to learn "C in deapth"! Tell me what all you tried to arrive at a solution for ...
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| Display Reverse Number, no strings or arrays | 12/6/2004 |
Q: I'm learning C at my local university. For homework assignment 3, I wrote a program that requests a ...
A: It is very easy. Use an integer variable to store the reverse (say rev_num). take out the first ...
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| about NULL Macro | 12/2/2004 |
Q: I have some doubts in C.I am sending some of my doubts.Please clarify my doubts. 1)What is a ...
A: 1. Usually a pointer is initialized to NULL. this is to tell that it is still doesn't have valid ...
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| split string | 12/2/2004 |
Q: sir i want to split this string 200.0.0.90-200.0.0.223 by hiphen (-) and store it in two seperate ...
A: You can use strtok() to do that. Also, you can write your own code. Sample code: split(char ...
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| Where to start | 11/26/2004 |
Q: I am doing Computer Systems for the very first time in my life, I have never programmed before and ...
A: Don't get frustrated or defeated. Understanding C is not at all difficult. May be the book you have ...
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| Linked List | 11/25/2004 |
Q: i am having problems reversing elements in a linked list , for example i want to type in hello world ...
A: Do you want help from me to remove warnings/errors. Or do you need help in implementing the ...
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| problems with function that uses a FILE* pointer | 11/22/2004 |
Q: Nerendra: I have no problem when I initialize the FILE pointer in the main code as you done in your ...
A: There is a small mistake in your code. Inside the function since you are having FILE **, you must ...
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| problems with function that uses a FILE* pointer | 11/21/2004 |
Q: I am using: Program: Texpad Compile Program: Borland C++ 5.5.1 for Win32 Hardware: AMD-K6 3D ...
A: >I get something like "0040BCD7" This is OK. Nothing wrong there. After passing it to function also ...
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| problem | 11/20/2004 |
Q: .. I write this program and I have a bug but I don't now where, I check it 100 times and I don't ...
A: Just looking at the program, it will be too difficult to say what is the bug. You will have to give ...
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| convert from character to integer and integer to character | 11/10/2004 |
Q: Is there a function to convert character to integer and integer to character? Please include sample ...
A: You can try atoi() library function. Also sscanf() and sprintf() would help. Here is a small ...
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| How enter Leap years into programs | 11/9/2004 |
Q: I want to write a program that read today's date (such as 13/07/2004) and then I type number N ...
A: By knowing the year number, you can find out if it is a LEAP year. For example, year 2004 gets ...
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| memory leaks | 11/5/2004 |
Q: I am writing quite a large program in C++ that runs continuously and unfortunatley has some huge ...
A: Without looking at the code, it is impossible to say why it is happening! You may be changing the ...
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| Declaration and Definition. | 11/4/2004 |
Q: In my technical interview in Robert Bosch they asked me this question. int a; is this a declaration ...
A: It is both a declaration and definition. Nothing is assigned to it. That's why you see some garbage ...
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| how to create an exe file? | 11/3/2004 |
Q: Sir, I want to create an exe file on executing my own c program. I want to do this because i m ...
A: What type of file are you splitting? Is it binary or ascii? Take as input the filename and number of ...
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| c language | 10/31/2004 |
Q: respected sir namaskar, sir if i write the following; { int i=2, j=-1, k=3, a; a= ++i || ++j && ...
A: Here is how it happens: Depending on the order of precedence, your expression will be grouped like ...
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| how can i extract them?
-------------------------
... | 10/27/2004 |
Q: how can i extract them?How can i program in C so that somone inputs a number and it displays the ...
A: Use % operator to extract the digits. For example, take the number 4582. 4582 % 10 = 2 (Digit# 1) ...
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| how to save the output in TXT format | 10/14/2004 |
Q: Good day to you, I would like to know how to save the output of a simple program to a TXT format ...
A: I don't do assembly programs. I think there should be some way of redirecting the output. If you can ...
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| freopen | 10/11/2004 |
Q: I write simple console functions and use freopen to redirect printf statements to a file. Can the ...
A: Here is a sample program I have written to demonstrate how it works. Compile and run it. Hope it ...
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| Array of Structure | 10/11/2004 |
Q: I am finding a problem while i am declareing an array of structure. At the time of scaning the ...
A: I have changed your code. It works now. Here is the code: #include <stdio.h> #include <conio.h> ...
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| Array of Structure | 10/9/2004 |
Q: I am finding a problem while i am declareing an array of structure. At the time of scaning the ...
A: > After taking input in stu[0].name, the program terminates. If you show the code of reading data, ...
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| Read file | 10/4/2004 |
Q: ------------------------- Dear Sir, I have try the following but the code keep on continuos looping ...
A: Here is the corrected code: #include <stdio.h> int main() { FILE *f; int s[10], i ...
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| Read file | 10/4/2004 |
Q: can you tell me how to Read a number field in a sequential file so that i can sum up this number in ...
A: Read the file using fread() (If your file is binary) or fscanf() (If your file is ascii). If you ...
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| C programming | 10/1/2004 |
Q: How to Write a stringcat(strcat) and a stringlen(strlen) function using only pointers.
A: For stringcat, you will need to know the string length of both the strings. Initialize a pointer to ...
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| string manipulation | 9/28/2004 |
Q: For the following program, I understand how to use strlen(), but I couldn't print out a string with ...
A: Try this: #include <stdio.h> main(int argc, char *argv[]) { char str_in[20] = {0}, ...
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| For Loop | 9/25/2004 |
Q: Using C, I was asked to use For Loop to calculate the answer for the sum of 1 + 2 + 3 + 4 + 5 + 6 + ...
A: main() { int i; int sum = 0; for (i = 1; i <= 10; i++) sum = sum + i; printf("I = ...
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| file handling and organising | 9/25/2004 |
Q: I want to detect the file structure in my hard disk through C program.that means all the files and ...
A: First of all, you will have to know the File System and then do the programming. And it cannot be a ...
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| network driver souce code porting | 9/23/2004 |
Q: I have to do our propretary network driver code porting from tru64 o.s to debian linux. how to do ...
A: Porting is a very detailed subject and need deep understanding of the programming language and also ...
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| main function | 9/15/2004 |
Q: can i run a program in c without main if yes how? if no why
A: Answer is "NO". The reason is, main() is a function called by another function, which is the ...
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| Floating point in Structure | 9/3/2004 |
Q: I have a problem regarding the floating point. If I used arrays as floating point it accept. for ex- ...
A: Your problem is not clear to me. It looks like, you are getting compilation errors for a statement ...
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| Visual C++ and Excutable files | 8/13/2004 |
Q: I previousley has asked the followingI created a C file and combile it and link it. Now when I ...
A: In Unix or Linux, you will execute the program at command prompt. So, if you do the same in DOS or ...
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| CPU exception errors in C programming | 8/13/2004 |
Q: Narendra, I have doubts on the following: 1. misaligned memory access - provide me a C program ...
A: I don't have any sample programs to show those errors. But, it is easy to produce a "Segmentation ...
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| link list | 8/3/2004 |
Q: 1. How would you delete a node in the singly link list if u have only one pointer to that? 2. how ...
A: It looks like a homework question. I don't want to do your homework. But, for your questions you can ...
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| C Program BUG | 7/27/2004 |
Q: I have a C program that I need a loop bug fixing on. Basically this is how the program works or ...
A: I found few problems with your code. You have used strcmp() function at many places. But the usage ...
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| convert file date/time from conventional format to DOS format | 7/23/2004 |
Q: I've accessed information about files on my machine using a linked list created using C language ...
A: Before going ahead with writing the program, you must understand the problem fully. So, create few ...
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| c programming basics | 7/21/2004 |
Q: Please tell me a deatiled difference between DECLARATION and DEFINITION IN C(WITH EXAMPLES) THANK ...
A: Declaration just tells the type of the variable (in case of functions, it tells the type of ...
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| Static | 7/16/2004 |
Q: Could you plese tell me what is the static function in C programming? where it is used? & what is ...
A: static is a qualifier in C. It tells that whatever is declared with static will have a local scope ...
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| Hi. Is there some way to look... | 7/14/2004 |
Q: Is there some way to look for directories using C language? I'm trying to find out, but it's being ...
A: The same way you deal with files. There is a header file "dirent.h" for this. Like FILE, there is a ...
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| I am trying to find a simple program to convert a time to epoch time. | 7/5/2004 |
Q: I am trying to find a program that converts a date and time to Unix epoch time (I am using a solaris ...
A: Read the man page. Here is the structure used by it: struct tm { int tm_sec; /* ...
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| I asked you a question about... | 6/30/2004 |
Q: I asked you a question about converting from Vb code to C code. You sent a reply but I was not able ...
A: I don't remember what your initial question was. But, you can always get your questions in your ...
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| C program meaning - reverse string... | 6/28/2004 |
Q: How this code works? It's suppose to reverse the string I input. But I just found an infinite loop ...
A: Here are some of the good C tutorials that I know of: ...
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| how should I pass a pointer to a function | 6/28/2004 |
Q: I am defining seed to be a pointer to long int and intializing it to -1. Then it is passed to ...
A: A pointer should be given a valid address. seed is a pointer and you have assigned it -1, which is ...
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| function | 6/24/2004 |
Q: Function is my weakest area in C. I did this question. Convert inches to cm using function. (1 inch ...
A: I compiled your code on gcc with all the warning flags enabled. There is no warnings or errors! ...
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| Books on C/C++ | 6/21/2004 |
Q: This is not a question of programming. I want to learn the language C/C++. I m through wid the book ...
A: 1. http://jztele.com/~coldice/book/C_C++/The_C_programmin.chm - C Programming Kernighan and Ritchie ...
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| if-else | 6/20/2004 |
Q: i did this question. car discount 800cc 8% 1000cc 5% write ...
A: Change: >if(cc=800) To: if(cc == 800) Note that you have used '=' which is an assignment operator ...
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| please help me | 6/20/2004 |
Q: Hope you must be fine and well. Sir! I am having great difficulty in understanding mathematical ...
A: Data structures is a very important subject. Algorithm Analysis is also important and will help in ...
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| explanation | 6/16/2004 |
Q: ***can you explian the meaning for the follwoing program for me, I don't know what the meaning of ...
A: c1, c2, c3, c4 and c5 are pointers (which can hold addresses). analysis is an array variable which ...
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| error to run the program | 6/14/2004 |
Q: "void Reverse(char string[]); Void JoinReverseString (char string[]) Void InsertReverseString (char ...
A: There are many errors! I have tried to correct most of the compilation errors. But, still there are ...
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| Function should return a value in function Digits | 6/13/2004 |
Q: Write a recursive function called Digits that take in an integer parameter num and return the number ...
A: There were 2 mistakes in the code. I have corrected them and here is the correct code. Just compile ...
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| Segmentation fault in the following code | 6/7/2004 |
Q: In the following code I have a linked list pointed to by pointer "head". For every node in this list ...
A: Without looking at the complete code, it is difficult to analyze. Looking at the code segment that ...
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| general | 6/4/2004 |
Q: i have good acquaintance with c. but i have lately not done programming and skills seem to have ...
A: 1. http://cermics.enpc.fr/~ts/C/FUNCTIONS/function.ref.html - C Functions: Quick Reference. 2. ...
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| Arrays and functions | 6/1/2004 |
Q: I found that you set max=0 but I get the same answers before. Max value=31073 and row 10 column 20. ...
A: I am really surprised now! Previously "max" was not initialized. Now, it is initialized and there is ...
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| Arrays and functions | 5/31/2004 |
Q: ------------------------ No I am still having problems. I still get the answer 31073 and when I ...
A: OK, I got the problem (a small bug!) Try this code now and let me know if it works: #include ...
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| Replacing words in DOC files | 5/30/2004 |
Q: Hello ! I have a DOC file named "Letter1.DOC"; I also have an exe file named "Repl.Exe". I want to ...
A: You will have to learn file management in C. 1. Open the file. 2. Read the contents. 3. Search for ...
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| c programming | 5/28/2004 |
Q: we need '&'for storing through scanf("%d",&i); but we don't need this in printf("%d",i); why?
A: C programming supports call by value. Suppose you have a function: void fun(int i) { i = 20; } ...
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| Arrays and functions | 5/28/2004 |
Q: I wrote a function that is suppose to find the maximum value in a 2 dimensional array. But, ...
A: When I executed the code, I got the right answer - 100. I think there is no problem in the code. ...
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| Why does following code give segmentation fault ? | 5/27/2004 |
Q: The following code after printing the output correctly gives segmentation fault. I do not why ? # ...
A: p is a pointer and you need to allocate memory to it before using. If you don't allocate memory to ...
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| random numbers and security | 5/14/2004 |
Q: I am really sorry for my english. when we install an application, application make an random numbers ...
A: So, actually it is not a random number. It is pseudo random number! As you said, if you know the ...
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| Replacing a word | 5/8/2004 |
Q: Sir, I want to find the occurence of a word in a text file and replace it with another word.How can ...
A: Are you trying to write C code for this? Here is how you can do that: 1. Read the complete contents ...
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| functions dont work- beginers | 4/20/2004 |
Q: Followup To Question -I run this code: #include <stdio.h> int i=0,n; int sum=0, result; int ...
A: 1. In C, there is no call by reference feature. That means, when you pass a parameter to a function, ...
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| how to calculate the size fo packets destined for a particlur node in a queue of packets | 4/20/2004 |
Q: I have a queue of packets, in which each packet contains node_id and size. For packets destined for ...
A: Size of each packet is fixed! I think the question is not yet clear to me.... You have got a queue. ...
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| functions dont work- beginers | 4/19/2004 |
Q: Followup To Question - I run this code: #include <stdio.h> int i=0,n; int sum=0, result; int ...
A: I have modified your code and have added indentation (it helps in easy understanding). Here is the ...
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| functions dont work- beginers | 4/19/2004 |
Q: I run this code: #include <stdio.h> int i=0,n; int sum=0, result; int pair(int n); int uneven(int ...
A: >then sum the results of the above, let's say it is 24. the >inspection digit has to complete to the ...
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| c | 4/15/2004 |
Q: Whether 'c' supports multithreading or not?
A: Multi-threading is a feature provided by the underlying hardware/platform. So, C doesn't have ...
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| input | 3/31/2004 |
Q: Heyas, I'm writing a program that performs calculations on variables the user enters during runtime ...
A: You can try out 2 things. One is fflush() the stdin after taking the input. Second is to validate ...
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| c programming--> pointers | 3/30/2004 |
Q: i m using linux 9.0 this question is asked in the interview. why preincrem,ent operator is faster ...
A: The concept of "passing by reference" itself is alien to C. And the post/pre-increment are not ...
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| error messages | 3/27/2004 |
Q: I get this error message : syntax error : missing ';' before 'type', but i can't see anything wrong ...
A: Without looking at the code, how can I tell!? If your program is perfect, then it must be some ...
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| no space on device | 3/18/2004 |
Q: I was doing a small C progarm on HP-UX using recursion without the terminating condition so that ...
A: Did you do it as root user? If not, then a reboot should be able to get back the stack allocated ...
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| the main( ) function parameters | 3/16/2004 |
Q: I just hope you can help me clear things out regarding the parameters in the function main() in C. ...
A: When you compile your C program, it gets linked to a library, which contains the startup routine. ...
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| int main(void) | 3/12/2004 |
Q: This is kind of an odd q. do you know why the void should be written in the declaration of main ? ...
A: According to ANSI standards, it is int main(). The reason for this is, main() function has to return ...
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| Data Structures | 3/9/2004 |
Q: I nagi reddy working as a Asst.Prof. in reputed Engineering College in India. my question is: ...
A: Many times terminologies create confusion! I don't know what you actually mean by "Multiple ...
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| using rand | 3/7/2004 |
Q: i am suppose to write a c progam that should multiply 2 one digit number using rand it should ask ...
A: First of all, you have to store the random number in a variable. And remember that, each time you ...
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| Is memcpy faster than manual copy | 3/2/2004 |
Q: Is memcpy() function faster than manual array to array copy. ALso I wanted to know if I have to in ...
A: >Can you tell me how much faster will it be ? It is relative.....depends on the processor you are ...
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| Reading file contents when it's accessed | 3/2/2004 |
Q: Followup To Question - Hi, The question subject might be a bit misleading. Anyway this is what I ...
A: If it is an outside process, which is not in your control, then there is only 1 way left with you. ...
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| mouse programming | 2/26/2004 |
Q: sir, i am not able to get the mouse related functions such as initimouse(), getmousepos() etc..in ...
A: Then the name of the function should be different on your system! initmouse() is not a standard C ...
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| operating system | 2/19/2004 |
Q: halo,i would like to know an example of producer/consumer problem.thanks
A: A mail server and a mail client can be an example. Yahoo has got a server sitting in US. You are in ...
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| c | 2/16/2004 |
Q: what is pointer and enum
A: Pointer is a variable, which can hold the address of a memory location. enum is enumerator, where ...
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| Wide characters | 2/13/2004 |
Q: How to handle Wide characters(unicode characters)? How to read and write using printf and scanf ...
A: To handle widechars, you will have to use 2 bytes variable as widechar variables. S, it's better to ...
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| binary represantation | 2/12/2004 |
Q: Respected sir, what is the binary representation of -1
A: In 1's compement or 2's complement!? How many bits are you talking about - 8 or 16 or 64? Usually ...
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| open a file that is in a shared folder | 2/12/2004 |
Q: i have mapped a shared folder in drive b and wants to open this file in c program using fopen ...
A: Check if you have given the name of the file correctly. Also, check if it (the name you have ...
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