[c] Forum Topics

[CODE]#include <stdio.h> #include <stdlib.h> #include <string.h> typedef struct { int count; // counter to use the word's occurrence char word[99]; } word; char str[99]; word myword[50]; int main() { FILE *myfile; if ((myfile = fopen("wordlist", "r")) == NULL) { printf("\n Error:Can't open file \n "); exit(0); } int position = …

Question:Write a program which prints " Testing C Skills" without no use of semicolon. I have found one answer : [CODE]1. #include <stdio.h> 2. void main() 3.{ 4. if(printf("Testing C Skills")) 5. {} 6.}[/CODE]

[CODE]#include <stdio.h> #include <string.h> typedef struct { int count; // counter to use the word's occurrence char *word; } word; int main() { word myword[50]; FILE *myfile; if ((myfile = fopen("wordlist", "r")) == NULL) { printf("\n Error:Can't open file \n "); exit(0); } char str[99]; int position = 0; while …

Hello I have been working on this program for a few days and have gotten stuck. I allow the user to enter in a string and remove special characters and turn upper case characters to lower case. after all that is done i compare the characters in the string to …

Hi, I am writing a piece of code that takes copies the contents of one file to another (which is created by the code, the name is given by user as an arguement). I've managed to successfully open and read in the source file, and the program will create the …

hey all! can anyone help me findind any c/c++ code for reducing the pixels of an image to a required amount... please... thnx...

Hello all. I've previously created a working socket program in C in a 32-bit machine and now I have to transfer it to a 64-bit machine. May I ask if there is anything I have to change in my program to make it work in a 64-bit machine? I did …

i have sample for to find out prime number , but i want to optimise is more. can anyone plz help me. int i; for (i=2; i < num ;i++ ){ int n = num%i; if (n==0){ System.out.println("not Prime!"); break; } } if(i == num){ System.out.println("Prime number!"); } thnaks in …

I need to read a text file and change each character into morse code, then send it to another file. is there an easier way than having 26 different arrays associated to a different letter?

Hey I am writing a double linked list dictionary of sorts. All of my functions were properly (add element after, move pointer, search, etc.). However, something is wrong with my add before function. Initially it adds elements fine, however if I decide to move the pointer to a new element …

Hello I have been working on this program for a few days and have gotten stuck. I allow the user to enter in a string and remove special characters and turn upper case characters to lower case. after all that is done i compare the characters in the string to …

I'm supposed to read all the words from text file and use bubble sort to sort the word and count their occurrence. As I read each word from file, what is the exact thing I need to do? Do I need to store the word (as char array) somewhere to …

I've spent several days looking for info about precisely how to do DLLs and have found bits and pieces here and there but noplace that ties it all together. I'm thinking this could grow into a 'how-to' for DLLs which might be useful for others as well. I'd like to …

This program keeps adds the sum of numbers you put in. You can also quit by typing in quit, its not case sensitive since I have code which converts all uppercase letters into lowercase. This in fact is the problem. For some reason when I insert a number it works …

Hi I'm attempting to code a proxy in C++ using Winsock2. At the moment it only works on simple HTML pages and locks up a lot when downloading certain pages. After a lot of fiddling, I'm not sure what the problem is. A big thank you to anybody who can …

Can anyone fix my problem? I'm sure my getDate function algorithm was right, but it still wrong.. here is the code: [code=c] #include<stdio.h> #include<string.h> #include<stdlib.h> typedef struct{int day,month,year;}Date; typedef struct{ char name[31],gender; Date dob; }Student; void getString(FILE* x,char* y); Date getDate(FILE* x); char readChar(FILE *x); int main(){ Student pupil[100]; int …

So I have a program that runs a loop in main to call functions to show all seats with their name and to reserve seats. My code works fine to reserve a seat. But when I reserve a second/third/fourth seat the name I enter for that seat overwrites the names …

#include<stdio.h> #include<string.h> void fn (int *ptr) { static int val=100; ptr=&val; } main() { int i=10; printf("%d", i); fn(&i); printf("%d", i); getch(); } The output of the above code is 10 10. why not 10 100? What is happening inside fn?

Hello... I'm trying to write a program in C (using POSIX library) where the parent process should fork up to M processes and play "connect four" or "four-in-a-row" with each-other until one of them wins, and when that happens, the process should terminate. This can be done either via pipes …

I am working on writing a program for my C programming class in which we have to make a basic program that can balance a checkbook. It prompts the user for a starting balance, can add and subtract amounts, and should deduct a $10 fee if the user overdrafts. The …

Hey I got this assignment and got an error halfway through but don't know what is it it said: Error Declaration syntax error in function main() btw this is a really basic code so here's the code. #include <stdio.h> #include <conio.h> float circumference(int); int area_tri(int,int); int area_rec(int,int); float area_sqr(int); int …

i am a beginner .can anyone just give me a code to make a txt file using c code,that will create txt file with name same as the value of int variable.. consider like if int x=10,then file name created will be 10.text if x is assigned 45 then it …

i dont normally work in the console/terminal window in my day job. so, i keep rewriting this every time i respond to someone needing help related to getting user input. im putting it here partly so i dont have to keep rewriting it. this function will get a string input …

Dear Friends: I have a few questions. First, I want to say I am using Microsoft Visual C++ 2010 Express. 1. When creating a class, should it be in the main file? I assumed it was in the header files folder of the project. Maybe I am making this process …

Is mixing C++ with C a bad thing? is it despised upon?

Hi there, I'm writing a function that fills the array with numbers from 1 - 52 with no repetitions basically my main problem is the second set of loops or the nested loops are, check to see if it is repeated and if it is it puts a new number, …

how to write a program for raising a number to a power(integer only) (e.g 2^2=4 ; 3^3=27 etc) [COLOR=Blue][B]without [/B] [/COLOR] using a precompiled C function(ie pow()). [COLOR=Blue][B]but [/B] [/COLOR] only used addition, substraction, while loops,if statement and/or for loop.

The code I wrote for a digital clock always falls behind the clock in my windows 7 taskbar after being run for like 2-3 mins. Why? Here's the code: [CODE]#include <stdio.h> #include <time.h> #include <windows.h> int main() { int h,m,s; time_t epoch_time; struct tm *tm_p; epoch_time = time( NULL ); …

I figured out how to use time in C since the last time I asked a question here. :cool: My new dilemma is that I was wondering if its possible to save user input in a C program so that when the program is closed and executed again it will …

ITS NOT MY HOME WORK I m Just Keen to do it. I don't want you to give me the code. I just want you to tell me how to access VDU and directly change character on same screen. The screen is divided into 25 rows and 80 columns. The …

Hi, I just installed Dev-Cpp for a IT class and started up with a basic program to see if all was alright: [CODE]#include <stdio.h> int main() { printf("Ola Mundo"); system("PAUSE"); }[/CODE] Still, when i tried F9 (Compile & Run), appear this errors: [Linker error] undefined reference to `__dyn_tls_init_callback' [Linker error] …

Could you please help why my program goes through do while loop just once, although the condition is true. //Program is getting numbers from user and realize whether they are correct numbers for triangle side or not and if tey find out the area// [CODE] #include<stdio.h> #include<math.h> double TraingleArea(); int …

Hi I have written the following code but when I run it, it fails to bind every time, any ideas why? [CODE]int main(int argc, char *argv[]) { int port = 1080; int lsd, sd; struct sockaddr_in serv_addr, remote_addr; socklen_t remote_len; if(argc < 2 || argc > 2) { printf("Syntax is: …

#include <string.h> #include <stdlib.h> #include <stdio.h> #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <netdb.h> void error(char *msg) { perror(msg); exit(0); } int main(int argc, char *argv[]) { int sockfd, portno, n; struct sockaddr_in serv_addr; struct hostent *server; char buffer[256]; if (argc < 3) { fprintf(stderr,"usage %s hostname port\n", argv[0]); exit(0); …

Hey all! So my buddies and I have been in the OS programming class and we've gotten ourselves an idea. We get free range to the Unix server for academic purposes and we thought it might be fun to try and write a PTC server so we can chat across …

could you please tell me whats happening at line number 8 because, the output is 3,2,30. How can the value be incremented twice with just one increment. Thanks ! [code=c]#include<stdio.h> #include<conio.h> int main() { int b[5]={10,1,30,40,50}; int j,i,k=1,m; i=++b[1]; j=b[1]++; m=b[i++]; printf("%d %d %d",i,j,m); getch(); } [/code]

I m trying to print the prime numbers using Sieve of Eratosthenes But, my output is 0 for all. please tell me where i m wrong. Thanks for help [code=c]#include<stdio.h> #include<conio.h> int main() { int arr[100],i,j=1,val=0,mod,num=0,k,l; for(i=0;i<100;i++) { arr[i]=j; j++; // printf("\n %d",arr[i]); } for(k=1;k<100;k++) // checking number and replacing …

[CODE]#include <stdio.h> #include <string.h> void proba(char *test) { int i; char det = *test; printf("%s", det); } int main(void) { char datar[] = "asds"; printf("%d \n", datar); proba(datar); return 0; }[/CODE] printf("%s", det); is the problem. When its turn to execute its trowing me out from the app. With "wrong …

Hi - i have been trying to create a linked list in C using structs and there are a couple of things i am stuck with how to declare the node front and back and do i keep repeating myself? Also in the function push back how can i use …

Hi there, I ran off and did my own thing for 12 years away from heavy IT. I played with robotics, 3D animation and other fun stuff. My serious history included college level teaching and I was a small company IT director (400 employees). When I left Novell 4 was …

Here is simple C program for analog clock. Comipler: TurboC

I'm new to computer programming, and I need help. I have researched, and read my book; however, I just can't seem to grasp pseudocode. i have to write a program that accepts data for an order number, customer name, length and width of desk ordered, type of wood, and number …

Hi, I have created a bubble sort as a function in C. It sorts an array of numbers. I am not sure how to print them out though(SORTED). Thanks

Hello friends, Please tell me how to reverse string in c like taht. My name is jacob jacob is name my

i have a program in c language that reads csv file.. now i want to read data column wise.. i want the whole program..which will take file name as command line argument and will fetch second column from the file.. lets assume file is like below.. aggromat,"1","abc","8903" aggromat,"2","abc","ddds" reply as …

I have written this code for insertion sort but, its not generating any output. could you please tell me whats wrong in this code Thanks!! [code=c]#include<stdio.h> #include<conio.h> int main() { int arr[25]={1,2,3,4,5,6,7,8,9,21,15,16,18,22,24,72,77,79,91,62,27,35,11,90,110},i,temp=0,j,a; int *p; for(i=0;i<25;i++) { if (arr[i]>arr[i+1]) { temp=arr[i]; arr[i]=arr[i+1]; arr[i+1]=temp; p=&arr[i]; while(i!=0) { if(*p<arr[i-1]) { temp=*p; *p=arr[i-1]; arr[i-1]=temp; …

I am a newbie to network programming. I been trying my luck with winsock and am stuck with no idea what to do. Here is a snippet of my code: [CODE]//Bind it to a TCP/IP port SOCKADDR_IN SockAddr; SockAddr.sin_port=24; /*Port to be used*/ SockAddr.sin_family=AF_INET; /*Connection Type: TCP/IP*/ /*Listen on IP …

I need ascii number for forward keys. i found it but it has two number examble first -32 and second 80?? please help

Hi guys, if anyone can help here it would be great. I'm running Windows XP SP3. I have at the moment a micro-controller connected to my serial port. Using the micro-controller I can get temperature data and send display it in a terminal. I can program the micro-controller in C. …

hi. i made a function which is supposed to create a binary tree from preorder and inorder traversals using recursion. i did this by making arrays for the left subtree and the right subtree in preorder and in inorder at each call of the function. makeNode() puts the data into …