[c] Forum Topics

can somebody help me this code cannot run. I can't find the error... [code=c] #include <stdio.h> #include <conio.h> #include <ctype.h> #include<stdlib.h> //use for fflush and exit(0) #include<string.h> //use for strcpy void calculate(); void insert(); void exit(); #define TRUE 1 void calculate_and_sort(int end_of_file); int input1; char ch; typedef struct{ int num; …

can someone help how to develop a chat program in c. the program must run in the linux terminal and have a layout like yahoo messenger. it must have a area in which the user's can be seen, text area and an area in which one could the on going …

hello, I know linux has this mechanism I wanna implement it in windows 2003 and I've done some parts but one point: writer must wait until all the reader finished. hint: I don't want a loop in the mutex critical-section to subtract the semaphore by plural number,which can't be directly …

Hi Could anybody help me to clear that out. Just go step by step and try to explain it to me. I would appreciate it Thanks [attach]7727[/attach] The answer for that one: At the end: c1 -- 40 (hex) and c2 -- DC (hex) [attach]7726[/attach] The answer for that one: …

Hey guys, I was wondering if realloc() copied the contents of the block of memory to the new block "on most compilers" IF the new size is bigger. I like to learn good ways to program something, but don't want to reinvent realloc just because it doesn't work on <reallyoldcompiler>. …

i guys Using socket programing i am trying to write a proxy server. when i start to read headers that has been sent from the browser it will initially dispaly some headers and after that it goes blank. simply becomes idle .. it does not return the controle to the …

I'm trying this tutorial using the get system metrics functions so what i did was to include the windows.h preprocessor directive although when i'm trying to compile my program i get th e error "undefined symbol '_GetSystemMetrics@4'. I'm using TCC as my compiler.

Hello! I am working on some code for a program that squares,sums and divides 3 numbers: [code=cplus] int num,sq,sumd; int a; int b; int c; printf ("Please enter a positive integer for a/n"); //input scanf ("%d", &a); printf ("Please enter a positive integer for b/n"); //input scanf ("%d", &b); printf …

Hi, I want to read .wav file from the any directory in windowsXP and draw the graph of that particular file using C or C++ code.. Can anyone help please?????

Hi. The following calculator will return wrong values for operations which are more complicated than <INTEGER><OPERATION><INTEGER>. I suppose I'm making a mistake in parser.y, but I can't figure out what. I know there are mistakes, memory leaks and other technical issues I'm doing wrong, but please concentrate on my biggest …

Hi All, I have this old c program that I did a while back on pascals triangle and i'm trying to convert it over to c#.net. Can anyone help me do this? I do not know much or anything on on c# Here is the code: [code=c] //Lyncob directory #include …

Hello! I'm new to C programming and I have a question. I'm trying to write a C program that that can: Open a file (the file name is unknown) located within the same directory as the executable file, search through the contents of the file for a particular keyword (for …

Lets say i did something like [code=cplusplus] { .... spGrades = fopen ("temp.txt","w"); fclose (spGrades) .... } [/code] where will be the temp.txt written to ? and how can we change the written location of the temp.txt ? thx in advance

Hi, I have one query that: Can we write [B]a function similar to printf()[/B]? If it is possible then how could it be written?

Hi I am working on a program that computes the sum of N in increments of 3. I do not have any errors but when you run the program it does not compute correctly for example if you enter 2 for n the sum should be 5 [code=cplusplus] #include "stdafx.h" …

I wanted know if there's a way in c++ to know what character exists at a particular x,y coordinate. for eg: suppose i used [B]gotoxy(2,5)[/B] and my cursor is now at (2,5) and i want to know what character exists next to my cursor at (3,5). How can i know …

I am working on printing a loop statement. I worked on this to try the concept: [code=cplus] #include "stdafx.h" #include "stdio.h" int main() { int times,num; for (times=1; times<3; times++) { for (num=1; num<5; num++) { printf("%d",num); } printf("\n"); } return 0; } [/code] What I need is to print …

Can anyone tell me why I'm getting "number 1" as my output when i enter arguments 1, 2, 3. It seems like its always 1 and I don't know why. [CODE]int main(int argc, char *argv[]) { if (argv[1] = "1"){ printf("number 1"); }else if(argv[1] = "2"){ printf("number 2"); }else if(argv[1] …

hey there everyone i was working on a program of mine when that should read the file in hex and display the value of a certain hex address (0x000068FC as example). but i have no clue where to begin except that ppl say it should work with fseek & fread …

Hellow.......! I need a help for: How will you declare [B]an array of three function pointers[/B] where each function receives two integers and returns a float?

Hi, I have a query regarding to the storage of program that: Where dose [B]c-program instructions get stored[/B]? And where dose [B]local variables get stored in memory[/B]?

Hello Everybody, I need help. I have found some problem with my code and I could not seem to make it right. I need to sort data in a text file. this is my data in the text file Hitachi Ariff 12/5/08 12.567 2 Motorola Raju 12/5/08 15.658 2 Siemens …

Hi I need one example on regression. Also tell between recursion and regression which one is faster?

I have the following code, the arrays are global variables. [CODE] #define MEMORY 64000; #define NUMFRAMES 6400; int mem[MEMORY]; int frames[NUMFRAMES]; [/CODE] I was pretty sure this should work as I don't see why it shouldn't but I am getting "parse error before ';' token" for both array declarations. Although …

I'm a C novice, require help on parsing text files and storing in an array or another text file: Below is the data which are partly pipe delimited values and part of it are name-value pairs, for instance the "cma{PL}Ind{1}man{6}gal{0}cif{}" mentioned below cma is the field name and PL is …

[COLOR=Blue][SIZE=2][FONT=Times New Roman]Hello, my name is kerry and i just sign up .Well, my question is how do reverse a number input by user using recersive function.Thanks for the help. [/FONT] [/SIZE] [/COLOR]

Can someone tell me how the series is to be implemented in c 1,1,1 2,1 2 3,1 2 3 4 5, 1 2 3 4 5 6 7 8 here is my code but i am not able to get the answer [code] #include<stdio.h> int i,n1=0,n2=1,n3,n; void main() { printf("\n …

i am pretty new to assembly language and i wonder what is difference between the final binary output of the same program written in c and written in an assembly if they do exactly the same thing. if the binary output is the same then why use assembly language? if …

see buddies i make a program in c but it take enter 1st number then ask for opearator and then directly tell that wrong opearator iam tired but i cant find where is problem here it is ::::: [ICODE] #include <conio.h> #include <math.h> #include <stdio.h> #define PI 3.14159265 int main() …

Hey guys, I'm new to C++ and in desperate need of help. I'm trying to write a program that is like powerball. I need to generate six random numbers. The first five numbers need to be in the range of 1-55 while the sixth number is in the range of …

Hi All, I'm trying to figure out how I canFirst, enter the number of salaries to process: 4 Now enter the 4 salaries to be averaged. Enter salary #1: 10000 Enter salary #2: 8000 Enter salary #3: -20000 *** Invalid entry. Salary must be positive. *** Enter salary #3: 25000 …

Hi, I keep getting an undefined identifier error when I try to do this: [Code=C] typedef char bool; // Make a bool type char false = 0, true = 1; // Make true and false void foo() { switch (something) { case 1: bool aaaaa; break; } } [/Code] It …

The following program should take 4 numbers but it takes 5 numbers and prints first 4 number entered. How to correct the problem??? [ICODE]#include<stdio.h> #include<conio.h> void main() { int a1,a2,a3,a4; printf("Enter 4 numbers \n"); scanf_s("%d %d %d %d ", &a1,&a2, &a3, &a4); printf("The 4 numbers entered are %d %d %d …

#include "stdafx.h" #include "stdio.h" [code=cplus] void swap (int a, int b); int main (void) { int a,b; printf("enter 2 positive integers"); scanf("%d",&a,&b); swap (a,b); printf("d%d,a,b\n"); } void swap (int a, int b) { int swap (a,b); } [/code] I have one error (20) : error C2078: too many initializers

I'm very very new to C so I'm having some trouble with this (and pointers): I'm trying to pass four parameters into a function: birthdayFunction(char birthday, int month, int day, int year); The birthday is the string input from the user (with "/" separating each field, ex. 7/23/76) and I …

hi to everyone !!! anny here ,. i want to make a program using c which can calculate following functions :: [COLOR="red"][B][I]sin,cos,tan,+,-,*,/,iverse,log,ln,exp,sqrt,raise to power 100,10,2[/I][/B][/COLOR] plz plz if anyone can help me by giving me some idea about it and which is somthing of beginners level !! thanxx alot !

I'm trying to add a username, password, firstname and lastname on a text file. Everytime I run the program, it only accepts one username, password, etc. Can anyone please help? here's my code. [code=csharp] #include <stdio.h> #include <string.h> #include <stdlib.h> typedef struct { char UName[50]; char PWord[50]; char FName[50]; char …

[code=c] void main() { int i,j; /*input values of i and j*/ while(i*j<0&&++i!=7&&j++!=9) { do something; } [/code]

Hello....everyone I want to ask you for your advice on what problem I'm gonna do.... So my teacher grouped us and make a program that we ourselves would make.... we can do that but what kind of program do we have to make, any suggestions???? My teacher said that the …

:) Hi, Ive written a program that is supposed to count the number of people of different ages and calculate the average of valid ages. We exclude ages entered as 0, over 130 or negative. The program does run but I sometimes don't have the right number in the different …

I'm new in perl although i'm an experienced programmer on the c language and its successors. I learned that perl borrowed some concepts in C so i bothered learning it. i'm trying to solve this palindrome thing. In C we have the isalpha() function which PERL doesn't have. Is there …

Iam meant to implement 3 methods that do the same thing differently to read in a string and the string that is read from the keyboard must be terminated with an end-of-string character. Also, it should not contain any new line character. iam supposed to use fgets(), getchar() and scanf(); …

this is my code I am using in Unix machine, using cc compiler: [code=c] #include<stdlib.h> main() { int nr=0,nc=0; printf("Enter number of coulmns:"); scanf("%d",&nc); printf("Enter number of rows:"); scanf("%d",&nr); int *x,temp; printf("Enter the matrix:\n"); for(int i=0;i<nr;i++) { for(int j=0;j<nc;j++) { scanf("%d",&temp); *(x+i*nc+j)=temp; } } for(int i=0;i<nr;i++) { for(int j=0;j<nc;j++) { …

I have been searching (google and books) for an answer to this question for a long time without managing to find any answer worth the name, so I'll try posting a thread hoping for better luck. Can someone explain to me why this: [code=C++] Aclass **tmp, *aclass[10]; tmp = aclass; …

Hi, I want to write a simple code to change the mouse pointer position.Like I enter the value of X and Y and the mouse pointer should get positioned to that co-ordinates.What are the specific functions that I need to use to set mouse position and get mouse position?I searched …

I'm looking for the header file of shm.h , although i've seen some on the web but when i use it the prototype methods are not implemented.... where can i download the full shm.h?

why we use different libararies in C can some one PM me all Libararies ?

Hi, iam writing a pig latin program with 3 different methods i dont knw understand the error that iam gettin in the code here's the code: [code=c] #include <stdio.h> /*Include the standard I/0 header file */ #include <string.h> /*Include the standard I/0 header file string library */ //The functions that …

i need to get a printout of a c program running using dos-redirection. Does anyone know how i can redirect the output to a texfile so i can print it?

attempt to display an electricity bill that looks, for example, like this: ********************************* Present meter reading 6015 previous meter reading 5899 Units used 116 Rate per unit 6.73 pence Standing charge £7.78 The sum due is £15.59 ********************************* This program displays an electricity bill, given a present meter reading and …