15,554 Topics
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| | Hi everyone, I'm new to C and have been given a C program to complete but found it includes many versions of the titled error for each class file. Can anyone please explain why it occurs and how I could get rid of them? Thanks, Cleo [code] q2.c:5: error: expected … |
| | hy guyz... since i'm new to this forum i just want to say hello to you all... anyway, back to business. my teacher in my CS class gave me and my group an activity to work on. and since i'm the leader of the group, i was tasked to evaluate …  |
| | Simple1.c ------------------------------------ #include<stdio.h> int f1(int x, int y) { printf("%d %d", x, y); return x+y; } ----------------------------------- Simple2.c ------------------------------------ #include<stdio.h> extern int f1(int x,int y); void main() { printf(" %d\n", f1(5,6)); } ----------------------------------- I was trying complie Simple1.c file then Simple2.c on Turbo C/C++ Compiler (Windows Xp). It showing following … |
| | Hello! This is my first post. Well,am fairly new to linux and its applications Presently,I've been assigned a project on Linux(Fedora 6) The steps of the project are as follows: Step 1: Prepare a hardware lock using microcontroller 8051. The PC's Parallel Port has to read the password, compare it … |
| | I've been looking for the thread re swapping values of two string pointers but I couldn't findit and I don't know if it has already been solved. Assuming it's still on the lines waiting, I think I've got the simple code to solve it: [code=c]#include <windows.h> void swap(LPCTSTR*,LPCTSTR*); int WINAPI … |
| | Hi, I have two issues that I am hoping to get assistance with. To begin with, the code snippee below is designed to read a line from a file, then place a subset of the line in another array. This works correctly when I place a number in arg 2 … |
 | Hi All Can some body tell me how to compare two strings that has spaces, I have inputed one string using scanf() and the other using gets(), both of the strings are array of characters. |
| | [code=C] #include<stdio.h> int array[]={1,2,3,4,5,6,7,8}; #define SIZE (sizeof(array)/sizeof(int)) int main() { printf("%d",SIZE); if(-1<=SIZE) printf("1"); else printf("2"); return 0; } [/code] how is SIZE casted in this example? Because the compiler believes -1 > SIZE (which is 8). Is this because it was treated as unsigned char and -1 looped around to …  |
| | Hi, Could someone tell me if there's a better way of doing this? I was asked this question in an interview and I wrote a piece of code of O(n2). // This function returns a new string of the common alphabets found in a and b char* intersection(char*a, char* b) … |
| | Can some body know a function that removes white spaces in begining and end and also removes '\n' or '\0' from a file in C language |
| | Hi All, I am trying to call third party dll from C program. This third party dll is written in C. I am using microsoft visual studio 2005. Could anyone please give me steps to add dll tot he project and to call from C program? I am new to … |
| | Hello, i'm a newbie to Linus so there are many commands that keep me questioning. My task is to write a program that will execute a list of commands from a text file. Everything go smooth except for the command execve, its prototype is something like [iCODE]int execve ( char … |
| | Hi, I'm a student in Computer Science and we have a machine project due on August 20. The problem is, the professor only taught us the basics of C programming, the functions, switch statements and whatnot, and now they're giving us a project about making a game. The game is …  |
| | [code] BOOL SaveTextFileFromEdit(HWND hEdit, LPCTSTR pszFileName) { HANDLE hFile; BOOL bSuccess = FALSE; hFile = CreateFile(pszFileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); if(hFile != INVALID_HANDLE_VALUE) { DWORD dwTextLength; dwTextLength = GetWindowTextLength(hEdit); // No need to bother if there's no text. if(dwTextLength > 0) { LPSTR pszText; DWORD dwBufferSize = dwTextLength … |
| | Hay, I looking for open source code in c language which schedule/deschdule a functions that will run in a new threads, so for example I can schedule the function to run every 30 minutes in new tread. I want to use this source in my program as an infrastructure service. … |
 | Hello, and thanks in advance :) I'm currently working on solving an ODE, which I already know what it the solution supposed to "look like" . I wanted to try with GSL ODE solvers, but I'm having some trouble, because I'm getting something completely wrong! I just wanted to see … |
| | My IsPerfect function aint working and I dont no where i went wrong. [CODE]bool IsPerfect(int num) { int sum = 0; int x; int divisor; x = num; while(x > 0) { divisor = x; if(num % divisor == 0) { sum += divisor; } x--; } if(sum == num) … |
| | 1. Write a C program to read a list of books from a file and create a linked list to store them. The purpose of this program is to keep track of the books kept in a shelf. The shelf is a three-tier shelf and each tier can store up … |
| | I saw this small code of a program to print HI without a semicolon in the program. I don understand how it works. [code] int main() { while(printf("HI")-2) {} } [/code] Any help would be appreciated. |
| | I am currently working on a real time operating system(freertos) task, there are 3 tasks here and the problem im having is with the 1st task. it is basically to have 2 modes, toggled by a single button "RIGHT" (keys = ~PTH & BOTH). this has got to go basically …  |
| | hi everyone, I've seen that in C we can call functions from DLL's, but i don't know how, can you please clear my ignorance or divers me to a website where i can learn it. Thanks |
| | Hi, I'm making a little program that will send email. I am fine with the sockets, but I keep getting a segmentation fault and I don't know why:$. I'm trying to make a loop that will let the user enter the data for the email, ending with a '.' on … |
| | I'm coming from the PHP world, and it's nice to see the similarities between C & PHP. But I have so many questions! :) This is a simple fopen() script, easily found online. What I am wondering about is the buffer variable. I think I understand that it's only looking …  |
| | Hi all, I'm just a newbie and I need your help, I should write a code about NRU and frankly speaking, I don't know what to do:$ . do you have some related codes, so I can undrestand where to begin and how to do it? any suggestions would be … |
| | Make A C Program That Performs The Following Algorithm: (a)Use Scan F To Input The Following Data: -assign Value 26 To Age. -assign Value 80 To Weight In Kg. -assign The Value 183.219 To Height Cm. (b)Calculate The Weight-to-height Ratio. (c)Display A Heading For The Results (d)Display The Results In …  |
| | This program requires the user to input data, after which it calculates. After calculating all the users it puts it prints it onto a document and screen. After which it gets sorted by name, the data gets outputted to another screen displaying a fake check that includes that is grabbed … |
| | Im trying to write a program to print all the primes from 1 to 100. I am however required to use a boolean function. My problem is that all the odd #s except 1 also appear in the output. [code] #include "stdafx.h" #include <stdio.h> #include "strlib.h" #include "genlib.h" #include "random.h" … |
| | I've noticed a few different ways people write the main() function. int main{ } main(void){ } void main(){ } I'm confused with what's considered "best practice" or why I'd choose one over the other. Is there a difference? thanks!  |
| | Thanks for at least reading. My assignment is to prompt for a filename, change the contents to caps, and print. I have the following, and it's giving me the error at line 25 (the inside loop) Assignment makes integer from pointer without a cast What does that mean, and how … |
| | This is my first C program. I am modifying an existing program to have input and when I added two lines of code to 1) print "Enter Purchase Amount" and 2) scanf to capture the data my other printf statement received a compile error that it has the wrong # … |
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