[c] Forum Topics

hey, i wanna know what is your idea on making program using C. the program must consist all of the basic until array. any great idea? just learning function but still not understand about it. thank you :)

I am not getting all numbers but only last number while readind data from file. And it has to be done with fscanf function.[code]/* input n nunbers fom user and write it in the file.find it's sum and write the ans. in another file */ #include <stdio.h> #include <conio.h> void …

Effective January 1st of each year, Gabriela receives a 5% raise on her previous year’s salary. She wants a program that calculates and displays the amount of her annual raises for the next three years. The program also should calculate and display her total salary for the three years. Annual …

Hi, How can I add the values of an array to a char variable? Without using "strcat" btw. [CODE]char table[5],message; t[0] = "h"; t[1] = "e"; t[2] = "l"; t[3] = "l"; t[4] = "o";[/CODE] Than end up with "message = "hello""? Thanks.

[url]https://plus.google.com/u/2/101960720994009339267/posts/ENuEDDYfvKP?hl=en[/url] [url]http://en.wikipedia.org/wiki/Dennis_Ritchie[/url] It is indeed a sad day when one of the true pioneers of the modern technological world passes away. C and Unix are such huge corner stones of everything around us (like the ability for me to write this, and you to read this), and have inspired so …

[code]int Add(int nX, int nY) { return nX + nY; } int main() { int (*pFcn)(int, int) = Add; int (*pFcn)(int, int) = &Add; cout << pFcn(5, 3) << endl; // add 5 + 3 return 0; } [/code] my question is are both of these lines equivalent? or is …

when it was all right suddenly when i try to compile and run a code display me this problem [QUOTE][IMG]http://img191.imageshack.us/img191/2909/captureyty.png[/IMG][/QUOTE] because i used to use DevC i never find this kind of problem, i search in to the MS visual folder in my pc but i dont find anything. DId …

I have a bcp output file from sybase that i need to parse using 'c' and write to a new file. A sample line from bcp o/p file is below 9890000501:74667:0:6::2:0000:0:6:0:5:0:0:0:0:0:0:0:::9890000501:1:1:0::::::::0:0:3::::::::::\202^B:\202^B^D:0:0 :1:0:0:0:0:0:0:0:0:0::::0:0:0:::::::::0::0:0:0:0: The file has ":" has the delimitor. I need to create a new file with a single line …

I am having the hardest time figuring out how to pass a pointer as an argument. All of the examples I have come across are using predefined array sizes while my array is dynamic. The following code is a simple representation of what I am trying to do in a …

Anyone can tell me how to do this question: A program that creates an array of 5 student names and an array of 5 student Ids. You can choose to input the values or directly assign them. The program should then create two threads. The first created thread executes a …

I have to rewrite the atoi function - that is, convert a string given by a command line argument and convert it to an integer. It works for single digit numbers, but when you give it two or more digits, it only converts the first number. I'm not sure what …

Where can i get some basic tutorial on thread?

am having these errors: /home/Desktop/L5Q1.c: In function ‘main’: /home/Desktop/L5Q1.c:15:9: warning: incompatible implicit declaration of built-in function ‘printf’ /home/Desktop/L5Q1.c: In function ‘funct1’: /home/Desktop/L5Q1.c:26:9: warning: incompatible implicit declaration of built-in function ‘printf’ [CODE]#include <pthread.h> void * funct1(void * arg); main() { pthread_t threadid; int i,j; int x=1; pthread_create(&threadid,NULL,funct1,(void *)&x); for (j=0; j …

hello everyone... i ve got this txt file and i want to scan it and insert the 2nd row digits at profit[ncustomer] matrix, where ncustomer is the 1st digit which readed from file. After that i want to add all the other digits in a 2 dimensional matrix dis[ncustomer][ncustomer] ... …

How to fill an array from user input??

am having these error: /home/Desktop/L3Q3.c: In function ‘inputStudent’: /home/Desktop/L3Q3.c:23:2: warning: format ‘%d’ expects type ‘int *’, but argument 2 has type ‘int’ /home/Desktop/L3Q3.c: At top level: /home/Desktop/L3Q3.c:27:27: error: expected ‘)’ before ‘std’ Help please? [CODE]#include<stdio.h> typedef struct student { char surname[20]; char oname[20]; char address[20]; int age; }stud; void inputStudent(stud …

Can someone help me with these lines of codes?it gives me this error: /home/Desktop/L3Q2.c: In function ‘main’: warning: format ‘%s’ expects type ‘char *’, but argument 2 has type ‘char (*)[20]’ /home/Desktop/L3Q2.c:19:2: warning: format ‘%s’ expects type ‘char *’, but argument 2 has type ‘char (*)[20]’ /home/Desktop/L3Q2.c:22:2: warning: format ‘%s’ …

A program that accepts two positive integer values x and n, and uses a function to calculate the value of x raised to the power n. The function should calculate power by repeated multiplications. The result should be returned to the main function and displayed. I use linux terminal to …

This code is give in a data structures book I issued from my library. I am not able to understand how the functions are working. I am aware of the algorithms. Can anyone please explain how qinsert(),qremove(),build(),encode() are working.Please explain in detail [CODE]#include <stdio.h> #include <string.h> typedef struct node_t { …

Write a program containing a function that takes 2 integer parameters x and y and returns the value of x2 + y2. The main program should then allow the input of two integer values a and b and display the value of a2+b2. Can someone help me?am having this error: …

What are the settings I require so I can debug line -by line? Or else ,I can identify lines of code where run time errors are occuring.. I want to view exact line number of error in this code/[CODE]#include<stdio.h> #include<conio.h> #include<string.h> struct node {struct node * left,*right; int freq; char …

Hi, I having problem with enter file name to read file it give me result like this [CODE] Please Enter Ship File path or Ship File name: data Segmentation fault: 11 [/CODE] Here is my code [CODE] #include <stdio.h> #include <stdlib.h> struct harbour { int harbourId; int maxCap; int timeUpload; …

Hello Daniweb! :) I am brand new to this site, and wish I didn't need the help but I do! So let's give it a go shall we? I have a program I have been working on for about two weeks now, and I feel like it should not be …

I have my program working and logic correct and I'm able to use another function and just fine, but my requirements are to pass the addresses of my three variable hour, min, sec, not the actual variable itself (which is declared 0 when it reaches the time() function) I've just …

Does anyone know any good websites that offer programming tutorials. Maybe similar to Kahn Academy, with videos and exercises.

Hi i want to know if C is the best language for image manipulation and creating a steganography tool?, if so how would i go implementing steganography and can anyone recommend any reading materials and libraries needed.

[CODE]#include<stdio.h> #include<conio.h> #include<string.h> struct node {struct node * left,*right; int freq; char c; }; typedef struct node node; int front=1; node * q[256]; char * code[128]={0},array[1024]; node * new (int freq,char c,node * a ,node * b) { node * n=(node *)malloc(sizeof(node )); if(freq) {n->c=c; n->freq=freq;} else {n->left=a;n->right=b; n->freq=a->freq+b->freq; } …

hi there) guys, plesae tell me - what should i change in this code to see message in a console window (i also need define the OS) = [CODE]#include <stdio.h> #if defined(_WIN32) || defined (_WIN64) #include <windows.h> #define WINDOWSS 1; #endif int main() { char* mtext = " Please specify …

can you pls give me a link to where i can download a free turbo c?

Hi I dont know why when I run in xcode it give me exec bad access but when I run using terminal it work fine Here is mt code [CODE] // // main.c // Harbour Unload System // // Created by Guide on 15/10/11. // Copyright 2011 __MyCompanyName__. All rights …

does anyone know where to start on this i want to make a command line c program which hides messages in images and audio files is there any books i can read to get this started

Hi, I need to write a program (on emu8086), which would convert hexadecimal number into decimal number. I have to do it until tomorrow, but I don't know where to start. Please, someone, help me to write that program. :'(:

Hi, I get a output result: Segmentation fault: 11 when I tried to do quick sort a time in ship structure Here is my code [CODE] #include <stdio.h> struct harbour { int harbourId; int maxCap; int timeUpload; double amount; }; struct ship { int number; int shipId; int sMaxCap; int …

Hi, i've a problem and hope you can help me :) I was seeing other post [url]http://www.daniweb.com/software-development/c/threads/269500[/url] but my problem is diferent... I want to copy some content of a webpage to make a db in different locales. The webpage by example is web.com/name=123, 123 is the id. The page …

i have an project encrypting an grayscale image in c language. Before encrypting first i want to calculate its header that define it file format, and convert image data into a binary value. i don`t know how to do this please help me?

Can anyone give me starting ideas about creating B-Tree? For example,how to define a node structure in a B-tree?

I am trying to read in a command-line argument like: >a.out memtest -b 4 -s 1000 And the intended result is to store "4" in the variable represented by -b and store "1000" in the variable represented by -s. I have the following code: [CODE]int main (int argc, char **argv){ …

I have two programs here I cannot seem to get any return value and I have no idea why, everything I'm doing is just like my book says and I cannot get it working. The parts commented out are the other ways I was trying to make this work, somethings …

[CODE]#define max 50 struct code{int bits[max];int start;};typedef struct code code; struct node{int freq;int father;int isleft;};typedef struct node node; void insert(int,int); int del(int); main() { code cd,code1[max]; node node1[max*2-1]; int i,k,n,p,p1,p2,root,rootnodes; char symb,alph[max]; for(i=0;i<max;i++) alph[i]=' '; rootnodes=0; scanf("%d",&n); for(i=0;i<n;i++) { scanf("%s""%d",&symb,&node1[i].freq); insert(rootnodes,i); alph[i]=symb; } for(p=n;p<2*n-1;n++) { p1=del(rootnodes); p2=del(rootnodes); node1[p1].father=p; node1[p1].isleft=1; node1[p2].father=p; …

A console application to multiply two matrix of float numbers and print result on console. Some memory checks are done as it is allocating memory dynamicaly. May give error and exit when short of memory.

I have recently come along a struct of this sort: [CODE]struct Context { Context(): addTitle(false) { } bool addTitle; std::string title; };[/CODE] It looked strange, especially the [B][I]Context(): addTitle(false) { }[/I][/B] part. Can anyone please explain it for me.

Dennis Ritchie died at age 70. Great loss the creator of C and co-inventor of Unix.Few people can truly say they changed the world. And Dennis certainly is one of the few. RIP Dennis, but also thanks for making the world in which we live in today! Thank you Dennis …

How to write a tic tac toe game program in c language using int char array with the help of for & while loop

I've been working with an older programmer who's coding an IVR solution. It's running on Windows 2000 and is connected to a T1 (we have internet access) through the machine his code is running on. I've been trying to get him to request information from our main web server via …

I have written a function to place mines. I need 'X' to be in array position [0][0] I cannot randomize so it does not overlap the mines b/c I can have only four mines in a [4][5] array. The problem I am having so that it checks to see if …

Hey, so I'm having some difficulty getting my make file to work. When I try to make, I get this: [CODE]andrew@Samantha ~/Documents/OS_Projects/Chapter 6 $ ls Makefile Makefile_old semaphore.c andrew@Samantha ~/Documents/OS_Projects/Chapter 6 $ make make -C /lib/modules/2.6.38-8-generic/build SUBDIRS=/home/andrew/Documents/OS_Projects/Chapter 6 modules make[1]: Entering directory `/usr/src/linux-headers-2.6.38-8-generic' make[1]: *** No rule to make target …

Hi folks, [CODE] int a=10,b=5,tmp; tmp=a; a=b; b=tmp; [/CODE] This is ordinary swap. I want to do this swap to the structure variables. And how to free the memory of tmp structure variable after swapping.

I've been looking around for code snippets for generating pseudo-random numbers. A lot of them seem to be very similar, for example [CODE]double findnoise(int x) { int x = (x<<13) ^ x; return (double)( 1.0 - ( (x * (x * x * 15731 + 789221) + 1376312589) & Ox7fffffff) …

I was looking at one of the stickied threads about introducing yourself... so here we go! Name: Alexander/Alex Nickname: Meow (Don't ask, comes from a game I play), Alexo, and that's pretty much it... Height: 5'5" Weight: 130 Hair: Brown/Dark Blonde Eyes: Green Location: Chicago Suburbs, Illinois Age: 13 (Quite …

Hi, I just wondering how to Passing structures of array to functions Here is my code [CODE] #include <stdio.h> struct harbour { int harbourId; int maxCap; int timeUpload; double amount; }; struct ship { int number; int shipId; int sMaxCap; int sActCap; int aTime; }; void readHarbour() { int i=0, …