15,551 Topics
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| | I need help understanding the do-while loop in this code. Im confused in how this do- while works because what i understand is the statement is executed then the expression is evaluated if nonzero and executes whats in while(). But its a loop so for example if i type Jack …  |
| | how do run a cprogram on shutdown or restart  |
| | So I've finished C in school. Finished a Deitel book about C(The C part at least) though unprescribed. I know there's more, but 'how to' books isn't going to cover it. The school library isn't helping. I want more indepth info/lessons about C and I don't know where to go/begin … |
| | I want to write a program which simulate the behaviour of CSMA/CD protocol over Ethernet. |
| | Hi I have a large C program which executes continuously, that is [I]listening[/I] to the user inputs, it is in an event loop. Now I want to have two different functions in that code to be executed simultaneously, in parallel. I tried to use fork() but the problem is in … |
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| | where can i participate in C projects ??  |
| | Hey, is there a function/call in c in windows to find the place from where your C-Development Environment is running. For example, (in case of Turbo-c), MOSTLY it is C:\TC\bin. Can i find this from within the program and output to a string or something ???  |
| | Hi please find this simple program, not sure why realloc is not working and its causing memory leak. But if calloc and malloc is used with little changes it works fine. [CODE]#include "string.h" #include "stdio.h" #include "stdlib.h" char *mystrcat(char*, char*); void main(void){ char str1[] = "quick brown fox"; char str2[] … |
| | i want to write a program that will prompt the user for the type of conversion he wants: “binary to decimal” or “decimal to binary” -If he chooses “binary to decimal”, the program should prompt the user for 8 bits (values only 0 or 1) and then display the number … |
| | Guys before i post my problem , lemme say that, i HAVE gone through the previous blogs/forums on daniweb, so please dont get annoyed with this topic again. But none of them answer my question My question is, "How do you write a structure to a file and retrieve data …  |
| | Hello guys! i really need your help. In my program, I am reading the contents of the file. File looks like this: [CODE] 1 ART ACE APE 2 BAT BOY 3 CAT COP CUP CAP CUT [/CODE] I want to store the words in an array. one array per line. … |
| | hi just wanna ask how to transfer a file from a peer-to-peer wired connection a character input from a node to another node. this is my simple code: [CODE]#include <stdio.h> #include <stdlib.h> #include <conio.h> int main() { char x; printf("Enter a character: "); scanf("%c", &x); getche(); }[/CODE] when the 1st …  |
| | Hi all, I'm trying to get an octal number from console and store it in an int variable using scanf. Here is my code. [CODE] int n; scanf("%i", &n); printf("\nEntered number in dec = %d", n); printf("\nEntered number in hex = %x", n); printf("\nEntered number in oct = %o", n); … |
| | Hey, this one is agaain from File-handling How do you replace a word in a file with another word. The algorithm should be somewhat like this 1)Read (fgets) the entire line into a buffer. Locate the word/ position of the word. 2)From that point onwards, OVERWRITE the contents in the … |
| | I just started leaning c programming, and i have been doing alright, but now am stuck with a problem, I do not know how to read information from a file in c. the file contains info like; 123456789123456789123456789123456789...and so on. i have to read the file in, and then group …  |
| | hello, i am having an array having 16 values char index[16]={1,2,3,4,5,6,7,8,9,10,12,13,14,15,16}. my question is i want to store the first,4th,8th and 12th value in arrar A (ie A[0]=1,A[2]=5,A[3]=9,A[4]=13). the 2nd,6th,10th and 14th in array B. the 3rd,7th,11th,15 in array C. the 4th 8th, 12th 16th in array D please help. … |
| | Hi all, I have a minor confusion regarding the variable accessed Consider: [CODE] int a=5; //global variable void increment(int a) { ++a; } [/CODE] If I call increment() in main(), which a will be incremented (a passed as a parameter to the function or the global a ?) Also specify … |
| | I have a simple program. [code] // test.c #include <stdio.h> int main() { #ifdef HELLO printf("Hello "); #endif printf("World\n"); return 0; }[/code] I'd like to set up a makefile and either define HELLO or not in that Makefile and then either the program displays "World" or "Hello World" based on … |
| | [CODE] //1>program for piramid. --------------------------- #include<stdio.h> #include<conio.h> void main() { int i,j,n,a,k=0,m; clrscr(); scanf("%d",&n); m=n*2; a=m/2; for(i=0;i<m;i++){ printf("\n"); if(i<a)k++; else k--; for(j=0;j<m;j++){ if(i>=a||j<a-(k-1)||j>a+(k-1)) printf(" "); else printf(" *"); } } getch(); } //2>program for Revrse piramid. --------------------------- #include<stdio.h> #include<conio.h> void main() { int i,j,n,a,k=0,m; clrscr(); scanf("%d",&n); m=n*2; a=m/2; for(i=0;i<m;i++){ printf("\n"); … |
| | This one comes from file-handling. Say , i have a file of 95,000 lines. I have to analyse only those lines which start with a semi-colon. So my logic would be like, "Read first character of the line, if it IS a semi-colon, process it, otherwise jump to the next … |
| | [CODE] #include <stdio.h> int main(){ char *names[1024]; float *rates[20]; FILE* file; file = fopen("tecaji.txt","r"); while(!feof(file)){ fscanf(file, "%s", &names); for(int i = 0; i < 20; i++){ fscanf(file, "%f", &rates); } } for(int a = 0; a < 50; a++){ printf("%s", names[a]); } } [/CODE] The file contents look like this: … |
| | This program separates palindromes from non-palindromes in a text file. After separating them into separate two dimensional arrays, I have to sort them in ascending order by string length. The last part is to output both the palindromes and non-palindromes in centered, triangle format. I've gone through this program multiple … |
| | -The program should print "COP 2220-50184 Project 3: <your name>" with a blank line before and after. -Then it should prompt the user for the input file name of the file containing the data to sort. - If the program can't open the file or if no file name is … |
| | Greetings, I'm having a problem with this code below. I want to ask 3 questions and then gather userinput into char variables. When I run the program it asks the first question and then outputs the answer. Then it asks the second question, but does not allow the user to … |
| | i want to know, what kind of addresses do pointers deal with? i mn logical or physical? and how can i access a particular memory area using pointers? PLEASE HELP....... |
 | can any one help me in solving a question posted by friend..... i tried to google but i didnt find the accurate answer for my question.. i wish to 'print 1 to n' without using loops and recursion help me please.. thanks in advance |
| | im totally noob using Turbo C.. i know this is just a basic prog, but of course i cant do it because i've started using Turbo C.. Name: Age: Gender: something like that.. or like doing a resume in Turbo C.. thanks in advance.. |
| | hi, the following program is not running and gives CANNOT CONVERT INT TO INT* IN MAIN FUNCTION error [CODE]#include<stdio.h> void main() { int *p; p=0x2000; ++p; printf("%d",p); }[/CODE] how to solve this |
| | Hi All, I need to write a code in C or C++ where some text in text_file_1 needs to be replaced with some other text which is in text_file_2. both the text files are stored at some location Text_file_1 has text: user,pass jojo, beans where jojo and beans need to … |
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