19,876 Topics
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| | hello guys, [code=c] #include <stdio.h> #include <stdlib.h> #include <sys/types.h> #include <errno.h> void main(int argc, char *argv[]) { int status; char *prog = argv[0]; char *new_cmd = "/bin/echo"; char *cmd_args[] = {"echo", "hello", "world", NULL}; char *cmd_env[] = {NULL}; status = execve(new_cmd, cmd_args, cmd_env); /* * execve does not return unless … |
| | hi, I'm new to the forum and I hope that i have put this in to the right section... anyway here is my problem, i have to build an electronic device for a school project ( we have to build a device at the end of schooling to show our … |
| | Hello,I have this C program which is equivalent to the com port.Useful for data logging from the sensors.It consists of the .c file and two header files cport.h and xmodem.h .The code compiles fine but there are lot of linker errors.I tried a lot ,pulled my hair but no use.Can … |
| | Please I need some help in C. I have a file with ".dat" format, how can i load it in C, into a variable, so that I can use the data for some math calculations later on? thank you.  |
| | hello I am trying to open a file which exists on my local PC using fopen the file is located in c:\B2B Data\files and is called file.txt When i put the above into a variable called filename, i cannot open it ie char filename[27]="c:\B2B Data\files\file.txt"; i then issue an fp … |
| | [url]http://www.me.metu.edu.tr/me310/section3/homeworks/homework2/m310s08h2.pdf[/url] hello guys can anyone help me about my homework i couldnt copy paste the question but i gave the link its about Gauss elimination with partial (row) pivoting by c programming. i need the source code as soon as possible.  |
| | Hi Guys/ girls. I have written a small program for uni, and it involves the user inputting a message that is saved into a string. The only problem is that whenever i use a space within the message the whole program crashes. Can anyone help, i have given the code … |
| | i want to know how to generate a sine wave using sin() function |
| | Hi there, I need a good site that describe the provided library in the C#.Net 2005 which is used in writing programs to have bluetooth communication with mobiles or computers . Thanks  |
| | Hi, I have just started using sensors and I did the coding for ADC.I am able to get the ADC values using the Hyperterminal.But I want to build real time graphs using C in DevCpp (Windows).Any sample code which will help me read the data from the serial port (9600-8-N-1) … |
| | Hello, I am writing a c program to Prompts the user (altogether 10 times) to enter a word not longer than 9 characters. And it needs the modification of each word by changing lower case to upper and then the reverse of the word is concatenated with the word.FInally , … |
| | what about this one?? thanx, but when i've compile the program, it does not work for the error, 'com' uses undefined struct 'registration' and lots more [CODE=c]#include<stdio.h> #include<ctype.h> #define FILENAME "computing" void proceed(struct registration com, int matric); void again(struct registration com); struct registration { char code[10]; char subject[100]; int credit; …  |
| | I'm familiar with java and have made many data structures there. Not so much in C and to complicate it the professor wants the LL set up LISP style. I know I need to iteratively sort the tail then insert, but the setup we were given lacks some of the … |
| | Hello again, i'm trying to make a program that draws a cube on the screen using data inside of a .txt file, this is the code that i've got so far, it compiles and runs but doesnt actualy display anything and i'm not really sure why. its probably something simple … |
| | /* I'm new on c ++ and i been strugling with this problem. create the special functions used by this routine and write the functions so it can be used by the main routine as shown*/ [code=c] #include <stdio.h> #include <stdlib.h> Void powerArgs(int *parmA, int *parmB) { int temp = … |
 | Good evening, I'm basically doing a program that does something like this: You enter two integers -4 and 6 which represent intervals Then the loop does this: (-4) + (-3) + (-2) + (-1) + 0 + 1 + 2 + 3 + 4 + 5 + 6 After that … |
 | Following along a C tutorial, I entered this code. When I compile and run, it aks for my age, which I enter. But it doesn't display any of the 'if' or 'else' statements. So I hit enter and the window closes. Is there a trick or am I entering the … |
| | Hi. BEFORE YOU THINK I AM JUST GETTING SOMEONE TO DO MY WORK, SCROLL DOWN AS I HAVE MADE A VERY GOOD ATTEMPT AND AM RECEIVING ERRORS! Basically i am fairly new to C++ and have been given a small class exercise to do for home work and am struggling … |
| | I want to have a program that will ask questions.. and post top scores.. but these questions are randomly ask.. on the other hand.. these questions must be put in .textfile.. please help me.. im begging all of you.. my questions in txtfiles is this 1 What_is_the_capital_of_Europe? a.)Brussels b.)Brussiels c.)Berlin … |
| | there is an error that when i type# include <stdio.h> and compile . then errors occurs "unable to include <STDIO.H> so what is wrong in that  |
| | do you know where i can get the conversion table? only the table for my project... and for those who already done with this thing can u please help me? im a noob here T_T |
| | Dear friends Im new in IT and i want to ask you about boundary values check in a program. I have the following exercise that I want to check and i don't know how... [code=c] #include <stdio.h> #include <string.h> struct st { int i; char n[4]; char g; }; struct … |
| | hello friends :) well can anybody tell me why does this code [code=c] for (i = 0; i < 10; i++){ childpid = fork(); if (0 == childpid){ /* This is the line that is different in parts A and B. */ execlp("some_prog", "some_prog", (char *)0); exit(2); } else if … |
| | pls explain me about the storage class?and also their difference among them.  |
| | am trying to write a simple server program that prompts the user for an ISBN number or an author. it should check if the number is a valid number i.e if the number is 4 digits...it should also check if the user has entered a number or characters..it should then … |
| | hi...everybody.. i want to some suggestions regarding my project. my project is Networks Analyser. i am working on this project by using c programming on Linux OS. i know that how to capture the coding of masseges by decryption algo. and i want to display this coding in the form … |
| | Hi, I can't figure out what is wrong with the code after trying to fix it for the last six hours i decided to give, please i need help =( big time I'm trying to make a dynamic array of structures then printing the output of the elements but I … |
 | Hi Guys, I'm writing a program for work which uses the HtmlTextWriter to output html files (it's a reporting system). In each file I want to render a style tag at the beginning and to do this I'm using the HtmlTextWriterStyle enumeration. This means I need to convert any value … |
| | I created a function to compare string value with spaces It gives me error: warning: passing arg 1 of `strcmp' from incompatible pointer type and passing arg 2 of `strcmp' makes pointer from integer without a cast [code] char *operand(node *pt) { while(strcmp(pt->next, ' ')!=0) { strcpy(operand, pt->item); operand(pt->next); } … |
| | [CODE=c]#include<stdio.h> #include<ctype.h> #define FILENAME "computing" //void proceed(struct registration com, int matric); //void again(struct registration com); struct registration { char code[10]; char subject[100]; int credit; }; int main() { int matric; char name; FILE *ECE; ECE = fopen(FILENAME, "r"); //struct registration com; puts("Welcome to pre-registration for sem 1 2008/2009\n"); puts("Enter your … |
| | Hi I'm just a newbie here and I hope someone might be so kind to help me with my stuff. I have a project regarding C. I'm already half-way done and all that are left to do are: 1. Parse a string into words and arrange these words in descending … |
| | I am having problem in converting military time to standard. The task I have is to take time from different cities around the world, adjust it to eastern time, and then display it in standard format with AM or PM. For example: User gave time for london 23:40 I scan … |
| | hi..i am new progarmmer for c++ and i really need help coz i have lots of problom while doing progamming in c++. i need guidance how i can implement my code or if someone could start the code for so it might be easy to continue. i need everything in … |
 | well didn't know where to post, so I'd this here. Does anyone know how to extend bridges across rivers? The manual supplied with worldbuilder is of no help, it says about dragging from end to end. I have tried this many times, and all that happens is that the part … |
| | I am seriously so bummed out right now, and I feel like a complete idiot. I have been sitting here for seriously 7 hours now trying to figure out how to do this program, and the book I have for the class has been of no help whatsoever. I posted … |
| | keep on getting this error after I put my input file, the program compiles but when I try to use it it gave me Core segmentation error. I guess there is something wrong with the memory. plz help Goal: My program should take input string from a file and do … |
| | Hi everyone. I'm new to the forums, as well a C programming as well, so bare with me for any noob mistakes. I have a homework assignment I am working on now, and am just completely stumped. The assignment calls for the following The user is to input 10 words. … |
| | CAS is tough stuff, and honestly seems incredibly ridiculous. Too bad there aren't any true work arounds. I need some help from the smart people here to get an app running when downloaded off a website. This app requires the ability to modify a file locally on the PC, so … |
| | [code=c] int median (int numbers[], int length) { int i=0; printf("Please enter up to 10 integers.\n"); printf("Enter any letter to terminate input before 10 entries.\n"); for(i=0; i<10; i++) { scanf("%d", &numbers[i]); if(numbers[i]='ch') break; } } void sort(int numbers[], int length) { } void swap (int* n1, int* n2) { int … |
| | I'm getting Linker errors when trying to compile my OpenGL code with Dev C++, the code compiles perfectly on the university machines using Visual Studio. I've visited several sites that explain how to get openGL to work om Dev C++, and i've followed the steps. -Installed the Dev Pack. -added … |
| | hey...can anyone show me what am doin wrong here?? cant get this program to loop till the user enters a character other than "y"....it prompts the first time and its a succes. prompts the second time but does not wait for response.... [CODE]#include <stdio.h> #include <string.h> #define LEN 20 main() … |
| | I made this program to create a binary search tree but it is not working properly ......could smbdy tell me whts the prob /* Creating a BInary Tree */ #include<conio.h> #include<stdio.h> struct node { struct node *lt; struct node *rt; int data; }*temp; void inorder(struct node* root) { while(root != … |
| | If I have a struct defined as [code] struct node { char *data; struct node *next; }; typedef struct node* nodePtr; nodePtr newNode; ... int main(void) { newNode = (nodePtr *) malloc(sizeof (nodePtr)); //dynamically allocate memory if(newNode == NULL) { printf("Error: could not allocate a new node\n"); exit (1); } … |
![Member Avatar for Run.[it]](https://static.daniweb.com/avatars/orig-avatars/avatar168980.gif){kind=avatar} | In class weve been shown how to read from a binary file and read from a text file but Im unsure how to write text to a binary file? Heres my attempt so far, Can you help? [CODE] #include <iostream> #include <stdio.h> using namespace std; int main() { FILE *namefile … |
| | Title : Student Course Registration System Every semester you will use the university course registration system in the early weeks of new semester. Assuming that the pre-registration process has not been exercised. Now, you will try to create a similar system that will have somewhat the same function of the … |
| | typedef struct Individual{ int number_of_la; double cost; }Individual; void deleteIndividual2(Individual **ind){ if((*ind)==NULL) return; freeLists2(&((*ind)->MSC),1); freeLists2(&((*ind)->BSC),1); freeLists2(&((*ind)->LA),1); freeLists2(&((*ind)->BS),1); (*ind)->MSC=NULL; (*ind)->BSC=NULL; (*ind)->LA=NULL; (*ind)->BS=NULL; free((*ind)); (*ind)=NULL; } //LAList-LA-LA_BS ,if includeGroup=1 remove all LAList-LA-LA_BS otherwise List and element will be removed void freeLists(Network_Element_List *head,int includeGroup){ Network_Element_List *temp=head; while(temp !=NULL ){ Network_Element_List *x=temp->next; if(includeGroup) freeLists(temp->element->groupHead,0); … |
| | Ok so I need to pull up records one at a time and then have the loop terminate when it reches the end of the input file using while and the istreamVar.eof() commands [code=cplusplus] #include <iostream> #include <fstream> #include <iomanip> using namespace std; int main() { ifstream ticketSale; int num2, … |
| | Hello all, I'm trying to write a program that will compute the real roots of the quadratic equation ax^2 + bx + c = 0 given by: x1 = (- b + sqrt (b^2 - 4ac)) / 2a and x2 = (- b - sqrt (b^2 - 4ac)) / 2a. … |
| | I was asked this question in an interview. Am looking for answers for this: A rectangular array of cells (say m*n) are selected in a spreadsheet (eg: MS excel). Assume that the cells contain only integer values. They need to be pasted to some location within the same spreadsheet after …  |
| | Hello, I was wondering what the following error meant in Visual Studios: This application has failed to start because MSVCR80D.dll was not found. Re-installing the application may fix this problem. I tried compiling a program that I wrote and then all of a sudden I get this error. It had … |
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