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C Programming Language

Welcome to the C Programming Language forum.

Browse through the links below to find existing C Programming Language discussions - including source code examples, hints, tips, and tutorials. Example codes are syntax highlighted for your convenience.

If you have just registered or if this is your first time here, and if you wish to include example C code in your posts and messages, please paste them between [cpp] and [/cpp] bbcode tags. This will syntax highlight your C code examples within a post. Please refer to the details here. Also see: C++.

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Threads in Forum : C Programming Language Forum Tools Search this Forum
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by WaltP
Guidelines for Posting Requests for Help version 3.1 GIDForums is pleased to provide these forums to help you understand programming techniques and correct programming problems. Following these guidelines will help you post good questions with enough information that we can understand your...
11-Oct-2012 08:35
by WaltP Go to last post
3 9,553
 
by knockout_artist
Hello. I have buffer with yuy2 data I need to save it on local drive, one frame only. Do I need to convert it first to rgb or some thing ? I saw this png_write_row() function, would it take care of yuy2 format it self? Any ideas?
17-Aug-2012 07:09
by davekw7x Go to last post
7 5,880
 
by refaelok
hello im new here. im a student for software engineer. i tried to write this program that found digit in numbers in the mat and make dynamic array for the numbers that he found. the program crush in the line "free(arr2);" and sometimes it crush in line "result=(int*)malloc((size2)*sizeof(int));" ,...
16-Aug-2012 23:59
by refaelok Go to last post
7 1,027
 
by zikmir
Hi there ! I'm an engineering student and i am learning C language. I really am enjoying my time, but there are some things i really need to ask since im on vacation and i cannot wait to attend classes ! (Yes im a neard). I am aware that we cannot create "strings" in C. So using Arrays to store...
16-Aug-2012 09:34
by davekw7x Go to last post
1 805
 
by swarna.bhatt
Hi Below is small piece of code #include <stdio.h> #include <malloc.h> int main() { int *iArrPtr = NULL;
30-Jul-2012 06:52
by davekw7x Go to last post
1 825
 
by cesarmvbr
Hello, folks! I have to generate random points (that represent circles of diameter = 1) without overlapping it each other. The RNG I use is the Mersenne Twister. Does anyone know how can I do it? Thanks in advance.
25-Jul-2012 16:51
by davekw7x Go to last post
1 786
 
by Rsk08
Hi, im doing a program that converts from a roman number to a numerical number and im trying to write on the screen and also on a file that i created, the program shows no erros opens and when i enter the the numbers to convert it shows me the assertion error i think its related to the fprintf but...
17-Jun-2012 00:00
by Rsk08 Go to last post
8 1,654
 
by manit123
hi , I intend to convert an 8.3 folder or file name to actual. In cmd.exe or command.com , the following works dir /b "<argument>" But in c program I get -1 return code Here it is #include<stdio.h> #include<process.h> #include<conio.h>
15-Jun-2012 01:02
by manit123 Go to last post
8 1,627
 
by swarna.bhatt
Hi Everyone , I am always confused with basics of data types . Why does float i = 10/100 results in i = 0.0000 and float i = 10.0/100.0 gives the expected result .(i,e 0.1)
13-Jun-2012 00:34
by swarna.bhatt Go to last post
2 872
 
Thread Rating: 7 votes, 4.1429 average. by bravetanveer
hi all, The way to dynamically allocate a 2D array is : int a(*); a=(int (*))malloc(sizeof(int)*5);
03-Jun-2012 18:45
by valera Go to last post
51 115,597
 
by Lucas Masalskas
#include <stdio.h> #include <stdlib.h> #include <string.h> #include <curl/curl.h> #include <errno.h> #include <locale.h> #include "myprog.h" /* Content of myprog.h */ //51 + 1 for \0
01-Jun-2012 16:36
by Lucas Masalskas Go to last post
4 1,313
 
by choco
Hello again! I had to write a program that would reverse the digits of an int var. First I count the digits of the given number, then I'm using function rev to change positions and print result. It looks like its working fine but I have some problems with output. If i try to reverse a variable...
30-May-2012 17:01
by choco Go to last post
3 715
 
by choco
Program is doing its job but it ignores the scanf I use in order to answer y or n in restarting game. #include <stdio.h> #include <stdlib.h> int main(void) { int i,key,num,pr; char dec; dec='y'; while (dec=='y') { /*thats the restart game loop*/
30-May-2012 16:50
by choco Go to last post
2 861
 
by samah
Hey :D so I'm trying to create a ternary tree from an array of strings, simple as that, but the program won't run. Now I'd like to know what am I doing wrong here maybe not in the way of thinking? #include<stdio.h> #include<string.h> #define P 100 #define N 3 typedef struct{ int T;
29-May-2012 10:26
by Howard_L Go to last post
2 1,153
 
by shyamraj
Hi All, I am new to this forum. I recently started C programming. I'm writing a program to scan an array of integers, but doesn't seem to work properly. Here's the code: #include<stdio.h> #include<conio.h> int main(void) {
27-May-2012 23:56
by Maximlis Go to last post
2 946
 
by clee83
Function should return a string that is 600+ characters long but string is 242 characters in length... %...
25-May-2012 23:22
by Howard_L Go to last post
4 1,454
 
by swarna.bhatt
Hi All, I am trying to understand how sizeof() , and signed integers work . Below is a simple code int i = 1; int k = -1; if(k<sizeof(i))
21-May-2012 22:57
by swarna.bhatt Go to last post
4 951
 
by choco
Hello again, im trying to solve this for days... im quite dissapointed, i came up with many ideas and thats the latest of them. I always trap myself in repetitions and in special cases of numbers. Any help here will be more than appreciated. :evil: #include <stdio.h> int main(void) { int...
15-May-2012 17:45
by choco Go to last post
2 789
 
by sumanish
I do not have much knowledge about compilers and all. I have one simple question about C programming. If there is no sizeof operator in C then does those pointer arithmetic work or not ? I am very much confused about it. :( Please somebody help.
14-May-2012 10:52
by davekw7x Go to last post
8 1,070
 
by sirhc9891
Title says it all, I don't get how to initialize an array with a string? The output should look like this, Array 1: This array was initialized with this sentence.
12-May-2012 22:49
by Howard_L Go to last post
16 1,781
 
by afriafro
Im having trouble doing an update function in a Department System program. The requirement of the function is to update the records in a file. #include <stdio.h> #include <string.h> void load_menu(void); void add(void);
09-May-2012 10:25
by davekw7x Go to last post
1 1,463
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