[c] Forum Topics

Hey, i want to enter a number by user. [CODE]printf("Enter a number: "); scanf("%d",&number);[/CODE] but,user enter text.i mean: [B]Enter a number:[/B] One Now,i want to convert this text to number. [I]I hope,i tell my problem.Sorry my bad english.[/I]

please disregard this as i have figured out what was going on. i will delete this as soon as i know how.

[CODE]#include <graphics.h> #include <stdlib.h> #include <stdio.h> #include <conio.h> #include<dos.h> #include<math.h> union REGS in,out; void hide_mouse(); void show_mouse(); void detect_mouse(); void detect(int*,int*,int*); void main(void) { int gdriver = DETECT, gmode, errorcode; int xmax, ymax; initgraph(&gdriver, &gmode, ""); errorcode = graphresult(); if (errorcode != grOk) { printf("Graphics error: %s\n", grapherrormsg(errorcode)); printf("Press any …

Hi there)) I know that one of the ways to pass variables values into thread -is to create a special structure which includes all needed parameters/ But what about getting values from thread? Is it any way to get value after modification from the thread ? I know only one …

********* ****s**** ***sss*** **sssss** *sssssss* Where "s" means space.. Need a simple syntax coz I am a new student. Help me fast. I am totally stucked here......... Thanks and best regards, Lost history:)

Hello. I am having trouble figuring out how to return the sum. I have 2 files p1.c and p2.c p1.c contains my main which calls createAndCOunt like this: [CODE] printf("The value is %d\n",createAndCount());[/CODE] p1.c also contains count which is called by createAndCOunt count is: [CODE]int count (int* array) { int …

Hi friends, Can anyone tell me how can we get message boxes (e.g, with buttons OK, Cancel) in C ? Please guide. Thanks, Neelu

[CODE=c]#include <stdio.h> #define max( a, b) a > b ? a:b int main() { int i, j = 10; int k = 15; for( i = 0; i < max( j, k ); i++ ) { printf( "\nhi" ); } return 0; } [/CODE] The above code generates an infinite …

My distributed operating system lab requires me to implement the election algorithm (bully and ring) in c. My current idea is to run several instances of an ouput file on different terminal, each symbolizing a different process. Now i'm facing the following problem and if you guys could just point …

Hi, I am looking for Code Analysis Tools to test ATL Projects using VS 2005. so far i have evalutated following tools: 1. FxCop 2. PREfast 3. Cppcheck [B]Problems i Faced with these tools[/B]: when i use Fxcop it gives message "FxCop Engine failed to load". The project i am …

hey guys, i have some work to do in C on a windows platform, windows 7 actually. now i've look into the suggested IDE compiler combo you guys suggested and i've pickup Dev c++ i just type a test program, just to see how the compiler works [CODE] #include <stdio.h> …

Hi. I am just wondering how to restore a number that is in scientific notation. So, take a number that is in scientific notation, turn it into standard form, and resave the variable in standard form. here is an example of outputing the variable amount in standard form: [CODE]n1.setf(ios::fixed); cout …

Hello, my assignment is to write a postfix calculator. I have written the program. It works well, except for when the user enters in an error. Lets say, user enters "2 A +" it changes the A to a '0'. Which it shouldn't be doing. I have tried strtol() as …

what function can delete a space in a string? i want to find a c function , e.g. delspace(char *string) string = "abc d e" and delspace(string)-> "abcde" thanks, i want C function

my teacher has told me to make a flag(India's national flag) in C using lines, bar and all. then fill colors. i have done this thing when i am writing this thread. now, he also told me now that the flag should look like as if it waving in the …

Obviously I have some wrong assumptions, because this prints "strsize = 8" no matter what. I realize my use of system() might be misguided, so if you have comments on that don't hold back, just please help out with the string-thing aswell : ) BTW it's a 'wrapper' for shell …

can you give me the code for the same but in c language. need it urgently

if we have to insert records into a mysql database using c api then the general code is this [CODE]if (mysql_query(conn, "insert into empinfo values ('saikat banerjee')")) { printf("4Error %u: %s\n", mysql_errno(conn), mysql_error(conn)); exit(1); } [/CODE] but, here we have to enter the record from the code itself . but, …

[code] #include<stdio.h> #include<conio.h> #include<string.h> #include<stdlib.h> #define M 20 #define hr printf("\n----------------------------"); #define br printf("\n"); int mptr=0,pptr=0,sptr=0; struct input_code { char lbl[M]; char instr[M]; char op1[M]; char op2[M]; }input[M]; struct opcode_table { int num; char name[M]; int code; struct opcode_table *chain; }mot[26],pot[26]; struct symbol_table { int num; char sym[M]; int addr; …

hey buddies,.. im new to Daniweb.first let me introduce myself.My name is Eranga, im a ICT undergraduate at Rajarata University of Srilanka. im kinda new to the IT field,so i guess i'll get good feed backs and responses to my thread. i know a little bit of Java.and still learning …

i want to create shapes like circles,rectangles and others with the help of c language programming.basically i want to make the sign of matrix in my program.how can i do this?

[CODE]#include<stdio.h> #include<string.h> void FindWord (char used[30] , char string[30] , int wordsize); char* CleanString (char string[30], int wordsize); int main (void) { FILE *fp; char letters[30]; char words[30]; char used[30]; char *string; int wordsize; int input_size; input_size = wordsize = 0; fp = fopen("dictionary.txt","r");/*contains a list of words in the …

I Having Problems with my program. I hope someone will help me with my problems. By the way, I need help regarding Going Back to Menu using Loop. Thank you very much! if you have seen any problems, please post your message. Thanks! [CODE]#include <stdio.h> void main() { float usd, …

this is my code .can any one please tell me why the program is not giving proper results?? [CODE]#include<stdio.h> #include<conio.h> #include<stdlib.h> #include<string.h> //2d linked list major aasg#1 //structure type struct items { int id; //item no; char name[]; int price; char color[]; items *previous; items *next; }; //functions sort(); show_all(); …

I want to know how to write a program to print A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Input = A M output = N z

Hello, Iam getting a strange error and I dont know how to solve it. Can you help me? Iam trying to make a dictionaire using BST. [CODE] // Task3.cpp : BST #include "stdafx.h" #include <stdio.h> #include <stdlib.h> #include <Windows.h> #define cabecalho "---------------------------------------------------------\nDICTIONAIRE\n\nEnglish to Portuguese\n---------------------------------------------------------\n" #define color(y) SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), y); #define LEFT …

I am using the function "CryptProtectData" , which takes as the first argument, the "CRYPT_INTEGER_BLOB" structure, which is defined as follows: typedef struct _CRYPTOAPI_BLOB { DWORD cbData; BYTE *pbData; } where pbData is the pointer to the data buffer.. I need to know that what is meant by data buffer, …

can someone please tell me how am i suppose to start my program ? i have 20 integers (1-20) the user will input what number should start and the count interval . its a bit confusing only 5 numbers should be left numbers who are already counted will not be …

Hi folks, I've simple question regarding following code. [CODE] int main() { int i =5; printf("%d %d %d\n",i,i++,++i); // 7, 6, 7 return 0; } [/CODE] The answer is [B]7 6 7[/B]. I want to know how it is coming. Please help. Thanks, Amar

[CODE] swap (char *p, char *q) { printf ("%c\t%c\n", *p, *q); *p ^= *q ^= *p ^= *q; printf ("%c\t%c\n", *p, *q); } int main (int argc, char *argv[]) { if (argc < 2) { printf ("\nSyntax: ./a.out str\n\n"); exit (1); } char *p, *q, temp; p = q = …

#include<stdio.h> int main() { int i; typedef struct BookDB { int iPageNo[10]; char cBookName[10]; } b1[5],*b2; // *pvBookDB = &vBookDB; b2 = &b1; printf("Enter the pageno folloed by bookname for 5 books at at time"); for(i=0;i<=5;i++) { scanf("%d,%s",b2[i].iPageNo,b2[i].cBookName); } for(i=0;i<=5;i++) { printf("%d,%s",b2[i]->iPageNo,b2[i]->cBookName); } return 0; }

Hi, i have to compile some coding to show how dtmf works. Any idea how? I see most of it uses unix c or linux programming? I have only been programming with windows C. Pls do guide me step by step on how to program in these languages. here are …

Hi everyone on daniweb. i am new here and wanna learn more about programming, i have worked on C and now a days working on java. As a Computer Science student my hobby is programming and improving logic. Cheers, may we'll make great... rahoolraj

Hello, people I only registered here for this matter (although it is a great forum). I am a ph.d. student and need to investigate eigenvector centrality measure for my homework. I found Phyton code on net and would like to see does it produce the same results as mine, written …

I feel really dumb asking this, but why does this code print b,b instead of b,a? the second strcpy() is supposed to copy "a" and put it inside a[1]... [CODE]#include <stdio.h> #include <string.h> int main(){ char a[100][100] = {"a","b","c","d"}; char*temp = a[0]; strcpy(a[0],a[1]); strcpy(a[1],temp); printf ("%s %s",a[0],a[1]); getchar(); }[/CODE]

Where are the function bodies to functions like socket,bind,accept, etc??... Using the c socket network programming for unix based systems, we use the api, but where are the function bodies to these functions. Im doing network programming, and I fill in the socket functions, bind, accept, write, read, etc, but …

I am new to network programming, and trying to read a response from a servers webpage. I can connect, but cannot get the pages source. Heres what I have [CODE] #include <stdio.h> #include <sys/socket.h> #include <arpa/inet.h> #include <netdb.h> int main(int argc,char **args){ if(argc < 2){ printf("2 args\n"); return 1; } …

Hey guys I'm having a little problem with reading from a text file, here's how the text is formatted: [QUOTE]random string$52$44$5$abc random string$52$44$5$abc_def random string$52$44$5$abc_defgh[/QUOTE] this code is what I use to read the text [CODE]#include <stdio.h> #include <conio.h> #include <stdlib.h> #include <string.h> #include <ctype.h> char name[100][100]; char position [100][100]; …

I'm writing a small app to do automated testing of a console application. It needs to repeatedly run the app with various options and handle when the app being tested crashes. I started with system(), moved on to spawn() and have since been trying CreateProcess(). It doesn't lockup when the …

I am working on an OpenGL project in C using Xcode 3.2.6. It is a tutorial program and yet I am having problems with it. When I double-click Project.app, it opens for a quarter of a second then closes. The source is: [CODE]#import <Cocoa/Cocoa.h> #include <GLUT/GLUT.h> int main(int argc, char …

I want convert c code into matlab how it is to be done? can I do this to get my best result.plz tell me in details.

Returns the largest sum of contiguous integers in the array Example: if the input is (-1, 2, -3, 2, 0, 5, -11), the largest sum is 7 Time complexity is O(n).

well i am trying to pass this parameter in a function -->[ICODE]char*[I]filename[/I][/ICODE] [CODE] [U][B]//i just wrote this as an example to explain clearer my question[/B][/U] #include<stdio.h> #include<stdlib.h> void try (char *[I]filename[/I]) //[B] the question is how can i use the pointer to refer to a file? [/B] { printf("try"); } …

I recently obtained an HP Touchpad 32 GB, and I'm wanting to develop applications for it. I'm currently downloading the webOS SDK/PDK installer, and have finished downloading Virtual Box. I have the latest version of Java installed as well. What I'm wanting to know, is that I've read that we …

Hello i need to write a program read a text file and store the data with text in the format of : name 14 6 name2 15 26 However i cannot use fopen() scanf() getline() or fgets(), it has to be done with only open() read() and strtok() i have …

1)w.a.p. in c language that accepts a file as input and prints the no. of words in it. 2)w.a.p. in c language that accepts a file as input and converts all alphabetic characters in it to upper case. 3)w.a.p. in c that accepts a string and prints the list of …

What is the error in this simple code: [CODE]#include <stdio.h> int main() { char a[100]; int c; int i = 0; int x = 0; while( ( c = getchar() ) != '\n' ) { a[x++] =c; } a[x] = '\0'; while( ( a[i] != '\0' ) || ( a[i] …

A simple program to calculate permutations of a string using recursion, I have used a malloc string of size 100 , you can change it to whatever value you want. The author is currently working at Microsoft,any questions can be directed to [email snipped]

hi this is a course work question and i have tried multiple methods to get it to work so if you can show me where i'm going wrong i would greatly appreciate it. i have to read a 4 character input and create each of the numbers into a sort …

i have to write a c program which connects with the mysql database. i have installed visual studio c++ express 2010 and the mysql installer for windows. i have widows xp os. can anyone tell me the step by step process to connect to the mysql database. and give me …