19,876 Topics
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| | can we declare a array as, int arre[x]; and assign the value of x as,x=5; but error is coming "constant expression required." Any help? i wanted to input series of marks,first you should enter how many subjects(if 5 subs,x=5) then you can enter 5 marks. |
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| | [CODE]#include<stdio.h> #define SQR(x) x * x int main() { printf("%d", 225/SQR(15)); }[/CODE] why this program outputs 225 instead of 1 (according to calculation). |
| | im using <stdio.h> and <conio.h> only is there any solution so I can randomize result? I want to make a fortune cookie that randomize the reading. i am not familiar with iostream and stdlib thanks  |
| | i have done a little project on a turbo c compiler with some graphics in it...my teachers don't want me to use turbo c..can u suggest which other compiler i can use to run my code.......  |
| | Hi all! So our T.A. gave us a function to use in our programming assignment as follows: [code=php] struct node *delete_from_list(struct node *list, int examnum) { struct node *cur, *prev; for (cur = list, prev = NULL; cur != NULL && cur->examNumber != examnum; prev = cur, cur =cur ->next) … |
| | I'm trying to write my own system calls. I have a .c file where I'm putting the system calls. My system calls use a struct, so I have declared a global variable that is an array of my struct. Lets just call it [CODE] //Stuff is the name of the … |
| | hey guys, I've just joined this group and i have problem which i believe you can help!!!! I want to know how to make a c program read from an application program like Microsoft excel and them writes the results with its printf(). |
| | This program is to accept input from a user to select there own username and then a password which will be compared to the password KazzyB, and give an output saying Welcome, The only problem in it is a single error KB.cpp(18) : error C2447: missing function header (old-style formal … |
| | i'm trying run a cgi script from a c program using execve(). It seems to be able to open and run the cgi file. but instead of actually generating graphical html it generates html code. example: execve("this.cgi", NULL, NULL) will generate: [CODE] /this.cgi /this.cgi <html> . . . the rest …  |
| | Is this possible to write a variable argument macro like this: [CODE]#include <stdio.h> #include <stdarg.h> #define func(x, ...)\ {\ va_list ap;\ va_start(ap, x);\ int y = va_arg(ap, int);\ printf("y is %d\n",y);\ }\ int main() { int x; func(5, 4); return 0; }[/CODE] I found an interview question which asked how … |
| | Error message: "error C2181:1> illegal else without matching if 2>fatal error C1075: end of file found before the left brace '{' at 'c:\documents and settings\tjeo1\my documents\visual studio 2008\projects\new\newc\exercise.cpp(3)' was matched [CODE]#include <stdio.h> int main (void) { int c; printf("letter="); c = getchar ( ); if (('0' <= c && c …  |
| | Hi I had a quick question about the libraries in C. Is there anything available like the java api library (java.sun.com) but for C? The closest thing I can think of is the MSDN Library but I'm not sure. A comprehensive guide that describes what the various libraries do would … |
| | Hi have done the whole program but now am stuck at what initially seemed like a simple thing a repitation loop the program is supposed to ask the user if he/ she wants to continue with adding more data - if no exit and continue with the other stuff. [CODE]char …  |
| | The books i have already read :- 1. C ANSII Edition ( Cant understand their language ) 2. C tutor 3. Pointers and memory ( Stanford )  |
| | Hey, just curious. Is atof() a C++ only function or will it work in standard C? |
| | 1. Why Nesting of comments is not supported by c. code does not involve much complexity to have that. 2. Why Array partial initialization have zero appended. why it cannot do in normal declaration. 3. continued.... Thanks, 3R |
| | He guys, I am trying to figure out what is wrong with this code for level traversal in binary tree in C. I would really appreciate any help or suggestion or changes in my code. [CODE] status level_traverse( tree T, status( *p_func_f ) () ) { tree *node ; queue … |
| | I am new in C programming and I would like help to make the following program: A program that reads a file (file name you can get from command line arguments or ask from the user) and produces output that counts the 10 most frequent words in the file and … |
| | C video tutorials for beginners [I]<<snip>>[/I]  |
| | I have some code that works. However, when I try to make it not work (i.e. try to execute a non-existent program), I don't see any indication that it hasn't worked. Here's the code snippet. [code=C] pid_t pid; // char *const paramList[] = {"/usr/threshold/bin/preconfig.sh", options[indexSelected].optionName, NULL}; const char* paramList[] = … |
| | Hi. I've been browsing this forum for answers for some time now and i guess it's about time to post a question myself. Here's the deal: I have a dll file in which i define a method that sets SE_DEBUG_NAME to enabled. Here's the code: [CODE] // tema4dll.cpp : Defines … |
| | Hi I am working on this game. I really never played it so I just read about it. I am getting three errors. I was hoping you guys can help me fix it? Thank you Error 1 error C2059: syntax error : 'do' 2008\projects\program9\program9\craps.cpp 36 Program9 Error 2 error C2143: … |
| | Hello everyone! I'm a beginner in C programming, and am writing code that is supposed to read in all the data from a formatted file, parse it into useful values, and then manipulate these values. However, I'm stuck on the the parsing part. I'm relying heavily on pointers, which I'm … |
| | Hello, I am having some trouble debugging a simple windows forms application. I have four textboxes, two being readonly that display the calculated answers, and then a "calculate" button. here is the code for the calculate button: [code] private void btnCalculate_Click(object sender, EventArgs e) { decimal obj_height = Convert.ToDecimal(txtHeight.Text); decimal …  |
| | During a university project, I had to print some int arrays to the screen, and I wanted to do it with printf. So I decided to include a function that converts an integer array into a string type, and passes the string out to the calling function. But the function … |
| | This isn't entirely a programming problem, but it may be at its base, which is why I'm bringing it to you guys. For my assignment, I have download a .txt file from my prof's webpage, and then have my program open it. The file, when opened in a web browser, … |
| | can anyone explain how can a function return a double pointer with which a 2 dimensional array can be traversed, this function takes the number of rows and columns as arguments: like: void ** function(int row, int col) { void **returningPointer= NULL; void*p; for (i = 0; i < row; … |
 | problem was first posted [URL="http://www.daniweb.com/forums/post1174806.html"]here[/URL]. lionaneesh got a problem with this question. I tried to solve that question myself. He solved himself, but i failed. the questions is: This program/function will delete all those characters in the first string i.e str1[] that matches any character in the second string i.e … |
| | [CODE]#include<stdio.h> void squeez(char s[],char z[]); int main() { char s[100] = "Hey wassup !!!!!!"; char z[100] = "Wow cool!!!!!"; squeez(s,z); return(0); } void squeez(char s[] , char z[]) { int j,dummy = 0,i=0; char x[100]; for(j = 0 ; s[j] != '\0';j++)/* the starting loop */ { while(z[i] != '\0') … |
| | Error at line 56 and 68. Unable to resolve it. [code=c] #include<stdlib.h> #include<stdio.h> #include<ctype.h> #include<string.h> #include"stack.h" #include"queue.h" #include"calcstack.h" #define MAXSIZE 80 void intopost(stack *stackPtr, queue *queuePtr, char expression[]); void pushvalue(queue *queuePtr, char item); void pushop(stack *stackPtr,queue *queuePtr,char item); void noBracket(stack *stackPtr,queue *queuePtr,char item); void removeBracket(stack *stackPtr,queue *queuePtr,char item); int precendence(char … |
| | plz help me in this code . its not giving the output plz correct my code [CODE]#include <stdio.h> int main() { double fahr , celsius; printf("Enter the temperature in degrees fahrenheit:"); scanf("%d",fahr); //convert to celsius celsius = (5.0 / 9.0) * (fahr - 32.0); printf("%if temperature in celsius",celsius); return 0; … |
| | I see this in KR C programming language. I really did not understand what it means. If it is line number of current source then we could use __LINE__. But what is the use of #line actually? |
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| | I'm going through my professors notes right now and he says in big bold print "Length does not include terminating null". I've looked at 2 different versions of this and in both cases it counts the terminating null. Can someone explain why this is happening. Case 1 [CODE]#include <stdio.h> #include … |
| | [CODE]#include <stdio.h> #include <conio.h> #include <stdlib.h> #include <string.h> #define TRUE 1 #define FALSE 0 void new_item(); void list_item(); void search_item(); void buy_item(); void list_buy_item(); struct item { float price; char item_name[20]; int n_item; struct item *ptrnext; }; struct item*headptr, *newptr, *currentptr,*previousptr,*headptr2, *newptr2, *currentptr2,*previousptr2; void main() { char ch; int choice=TRUE; …  |
| | Hello all, Firstly let me say yes, i have searched the forums, secondly No! i am not asking for you to do my homework, i realize how much you all hate that =P I am here for some guidance, i have exhausted my researching capabilities and am at the point … |
| | Hey guys, I want to know how can we write the usernames and passwords in file just one time and later on they can be used for log in purpose.. I've some 5 objects of 1 class which can call the class only when the Username and password is correct. … |
| | Hi, i have to write a program: user inputs a string of characters (letter, digits spaces etc any possible charachter) and then the program should calculate how many letter, digits, spaces, and other characters are there. I did this question using just a char array and then for loop with … |
| | Hey, How can I terminate a server after some number of connections (don't want it to keep on running forever). I've written in it C, using the select system call, and an array to store the connections made in.. [CODE] while (1) { FD_ZERO(&rdset); FD_SET(clients[fd], &rdset); ( select(max+1, &rdset, NULL, … |
| | Can someone please explain why this function will not compile. [CODE]#include <stdio.h> #include <string.h> #include <ctype.h> // This function determines if a string is a palindrome. /* This function reverses the characters in the string * passed by the caller. */ void is_palindrome (char* string) { int i; int length … |
| | I am hoping someone here can help me with a little bit of trouble using the execve() call. I have some code that needs to call an external script under CNL (Compute Node Linux, [I]i.e.[/I] - Cray XT4/XT5). CNL is [B]extremely[/B] lean and is missing enough libraries to make using … |
| | [code] void main() { int a = 5 , b =6, c=0; c = a++ + b++ + ++b + ++ a + a++; printf("c = %d \n", c); getch(); } [/code] the result of the code is c = 32 while if we write the following code the result … |
| | hiii....i done some graphics programming on a turbo c compiler & i would like to link it to a front end...& may be even develop a gui out of it....please tell me the procedure to link a turbo c code to a front end  |
| | Hi guys, I'm trying to implement Karatsuba multiplication in c++ using stl vectors. I have some problems with multiplication (addition and subtraction are ok, I've checked). I need to read data from the file, when the file looks like that: 3 // tells me how many pairs I have to … |
| | I need the coding for the following question in C: Read from a file (.txt file) and count the number of times the word "a", "is", "the", "and", "that", and "this" occurs. |
| | Here is a nice little swap function with a good explanation about what is going on. [url]http://computer.howstuffworks.com/c26.htm[/url] |
| | fatal error C1075: end of file found before the left brace '{' ANY IDEA WHAT MAY BE MY PROBLEM?? |
| | Hello, In the following code below i have 1 method that fills a array with 11 random value's.(wich works as intended). My question is how do i take each generated random value created in the array, and perform a calculation with each of those values? (preffered in a new method). … |
| | hi its vijay here. i have a problem asked in interview on bit wise operator. question: take a input int var=0xaabbccdd; write a program to reverse it so the out put will be var=0xddccbbaa; please reply me as soon as possible. regards viajy sheoran |
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