[c] Forum Topics

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); } …

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. …

hi..im a new member and i would like to ask for the code on how to convert a decimal value inputed as string,since all inputs in assembly are in string or character),to its hexadecimal equivalent..thanks..

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 …

I have a form that is used by say 250 employees right now but soon to grow company wide. This form has several line items listed down the page. Every few days I get several sheets in which right now I use tick marks (on a blank pcs of paper) …

greetings, im writing that program that creates a 2 square matrices that need to be added. but the trick is i need to use pthreads in order to do it... for soem reason my output is just 0. Any help would be appreciated im almost done im just stuck on …

The code below is taken from my DLL which is injected into a third party app via a hook. What I am trying to do is read another apps Tree structure. Going by the the first line below, the tree window (wOther) has 55 items, which is correct (I am …

We are supposed to make a program.. and I have a problem.. It's a inventory program, and on the 1st option, you'll add things in the inventory.. on the 3rd option.. you have the option to cut the price... on the second option.. you need to display the changes you …

[QUOTE]This program was suppose to make a bingo chess game.. but i am totally clueless.. so far the notes i got was jumbled so i have no clue at all.. anyone mind helping me out? This is a sample image that it suppose to look like a bit: [URL="http://img86.imageshack.us/img86/2594/55923788ip0.jpg"]http://img86.imageshack.us/img86/2594/55923788ip0.jpg[/URL] What …

[CODE]int k = 0; int g() { k = k + 1; return k; } int D[] = {13, 19, 47, 3, 7}; ….. D[ g() ] = D[ g() ]++ — D[ g() ]++;[/CODE] According to a book from which this problem comes this code will generate 5 to …

Hi all, so I'm stuck on a certain part of a program for my C class. Okay the program is supposed to query a user for a set number of entries for temperatures which is 26. It is supposed to take those temperatures and calculate the avg. at the end. …

I am currently taking C++, and I just want to know why it says,"Illegal Else without if," and I would like to know how to fix it so I will not encounter this problem again. I would like to know where to put the brackets, "{ " Here is the …

hello sir i'm a new user,i just want to ask if you have sample programs which deals on linked list....if possible not the add.edit,delete program

im having trouble programming , but its suppose to look something like this,, can anyone help out? im a beginner in c++ so i don't know much... tthis are my notes and im not sure how to do it image that it suppos to look like: [url]http://img86.imageshack.us/img86/2594/55923788ip0.jpg[/url] what it would …

Getting this error don't understand really what i need to do to trouble shoot... hw.c: In function ‘PrintMatrix’: hw.c:14: error: subscripted value is neither array nor pointer hw.c: In function ‘main’: hw.c:27: warning: passing argument 1 of ‘PrintMatrix’ makes integer from pointer without a cast [ICODE] #include <stdio.h> #include <pthread.h> …

can anyone plz help me out..to make a text editor in C... i dun even know where to start with... it should perform basic functions like moving cursor up and down.. cut,copy,paste,delete,moving to a new line on a enter etc..

Hello, I've developed my project using C language on Linux platform. When I compiled my program, I got some linkage errors. I've read in some other C forum that the errors I'm getting is due to a linkage problem with the libraries. Can someone tell me the proper steps to …

well , i know java, but im new to c. i came across this while learning c : int my_function(const char *str1){ unsigned char c1; c1 = (*(unsigned char *) str1); } well i suppose this code is casting from a string to the character value of it but what …

hey, basically I have an assignemnet to write a C and MIPS code to determine if a number is a power of 2 or not.(that is only a beginning part to the main core of this assignment which needs this code to be used later). I'm capable of doing the …

I have a simple program (code follows) that circle_shifts an array, but I need it to be able to quit when the user enters a character, (ex. q). Where do I start?[code]#include <stdio.h> #include <stdbool.h> #include <math.h> int printAr(int n[], const int SIZE){ unsigned int i; printf("Array contents: "); for( …

Is possible to acces to a COM dll from a C program? Do you have any example? Thanks in advance

Hello everybody! I am from India, country where software is booming like in no other country in the world. I'm a Mechanical Engineer by degree but i'm thinking of shifting into software because the the opportunities that exist currently. I have many doubts and a lot of curiosity about programming …

Hello, I'm in an introductory computer programming course and I'm very new. I've been trying to write a program that will allow a user up to five tries to guess a randomly generated number. Here is what I have so far: [code] #include <stdio.h> //enables printf and scanf functions #include …

i would just like to ask i'm making a timer w/in a game my problem is with the scan function the game is like a guessing game. where a jumpled word appears on screen the timer is supposed to be displayed like this -------------------------------------------- output/user screen: -------------------------------------------- sampleword time left …

when i use for loop to get a string i have following problem why? [code=c] include<stdio.h> void main() { int i; char name[5]; for(i=0;i<5;i++) scanf("%c",&name[i]); for(i=0;i<5;i++) printf("%c",name[i]); }[/code] output world here for [COLOR="Green"]world[/COLOR] i get only [COLOR="Green"]worl[/COLOR]. that is for 5 char I get only four why ?

can anyone help me with my code. i am trying to make the exec read input from the keyboard but i have no idea how to start. the code works if the path and the file names are already there..here is what i have done so far with the child …

I have two questions regarding c #1 if I have value(initialize a variable with a value) inside a block, like { } then how is it different than the value outside that block, but within the same function why does the value inside the block doesnt retain the old value …

I have a C DLL (WIndows) and within it I hook some specific threads. But truth be told I would like to hook one enteire PROCESS. Is this possible?

i have to write a c code that it divides a number by a power of 2 by shifting the number to the right the requisite number of bits. im not asking for ANY CODE. im just asking for an explanation for the given. how do we divide by shifting …

I have a linked list of structs, with each struct having a char* and an int. When I try to print the list I get a seg fault. If I just print the int however it works. What am I doing wrong so the char* won't print? printf("%s %d\n", p->name, …

hey guys, i would really appreciate if you can give me links to some good C tutorials online or some good books , esp with regard to pointers and other advaced C topics...........i wish to learn C properly and then move on to C++, although i have started C++ already.....

Give program for this output abcdeedcba abcdxxdcba abcxxxxcba abxxxxxxba axxxxxxxxa

hi everyone. I need few good books for beginners, trying to learn C. thanks

I want to handle a program about flight ticket reservation I write 50% of program but I don't know how to write the[B] RESERVE FUNCTION[/B] if anyone have Idea for this please send me the reply. Regards Azadeh:)

I was encoding a C program as my assignment and got stuck. Following is the part of my assignment where i got stuck Please enter the employee's pay period information : Income for the current pay period : -2400 **Value must be greater than 0.0 **Try again. : 2400.. **Trailing …

Hello everybody : I have windows vista ( home premium) ,, how can i make a program to send msgs to other pc in my lan ... means : required program c LAN Thanks in advance

Are C & C++ knowledge required to learn php or a person good at html, css & xml can start learning php directly?

hey i got some c homework due Monday and I'm stuck. please help me. I'm going to mark the error lines with **** in place of a tab. build errors are at the bottom. i will be eternally grateful for any insight. [code=c] //patrick allard //program4 //prof ed ryder #include …

Hello, I'm trying to solve an ACM problem [url=http://icpcres.ecs.baylor.edu/onlinejudge/index.php?option=com_onlinejudge&Itemid=8&category=13&page=show_problem&problem=1051]"Light, more light"[/url]. The problem is actually solved, but I can get it accepted. So browsing Internet I found a C code, which is accepted: [CODE] #include<stdio.h> #include<math.h> int main(void) { long long int n; while(scanf("%lld", &n)==1) { if(n==0) break; else if( …

i got this question and started and got a bit stuck can u please help. it goes like this the questions asks us to Write a c-program to read 10 numbers from the keyboard and store the numbers in an array called numbers After storing the numbers in the array …

Hi, I am a C beginner and I am trying to write a program for Cellular Demodulator. Can anyone help me? Thank you.

I am programming for a microcontroller using CCS compiler (which based on C language) My code is pressing button to select a specified time then using that time to switch on and off a lamp, for e.g The value I got when press button is an int, with 0x31 stand …

Hello, Does anyone know of any chip I can buy that I can easily have a C program communicate with through USB and separates the signal into individual parallel connections? Basically I need to send 125 bits to be separated at a given time, so the larger the separation, the …

Hi there again i tried answering the question amm i hope you guys can understand it its a structure ahh i am to: Write a program using (structures) that stores the details of students in a school. Create a structure called students with the following structure elements: Student name. student …

A computer has 256MB of memory. Each word in this computer is 16 bytes. How many bits are needed to address each word in memory?