[c] Forum Topics

i know how we can use logical operators.....but how do we use bitwise operators.....

Hi everyone. I got a total newbe question and i am new to c programming. I want to write a program that will executing commands , written in separate text file. Lets say, in perl i got something like that: [CODE]open (F,"<file.txt"); $x = <F>; if ($x == "2"){ system …

can someone tell me how to add functions to library of devc++? and how to add a new library?

Well!! I'm a ameature programmer. Can somebody help me reversing the string as: "ylpey ni egassem etouq" to "quote message in reply"" thank you.

Hi, I really need some help with this project. I'm currently a beginning C student working on a wheel of fortune program. For this program a random phrase must be chosen from a text file; the same phrase cannot also be used again during the game (there are three rounds). …

I need help desperately. To declare an array to hold 5 fives and pass the entire array to it and convert all the measurements in centimeters. The following is what I came up with: [code=c] #include <stdio.h> #define SIZE 5 double calculateInches1 (double); double calculateInches2 (double); double calculateInches3 (double); double …

i have to write an image processing program that can invert, blur, sharpen, threshold, and then resave an image. here is what i have so far: [code=c] //---------------------------------------------------------------------- // SECTION 1: Preprocessor Commands //---------------------------------------------------------------------- // Include Win32 API Libraries (headers) #include <windows.h> #include <windowsx.h> #include <commctrl.h> #include <string.h> #include <stdio.h> …

Hi all, I've done this prog to get the last token in a string es: /dir1/dir2/file.txt must return --> file.txt I get several errors on assignments, what's wrong with it? many thanks [CODE] int main() { char *path; char *filename; path = (char*) malloc(sizeof(char) * 64); strcpy(path, "/dir1/dir2/file.txt"); filename = …

Hello, I am trying to determine the best possible solution to accomplish a simple, yet complex task. ([i]Regarding: Socket Programming[/i]) I've been working on a new project for quite some time and have written a custom framework from the ground up. It's more or less a ([b]Client --> Server --> …

Good day everyone. I have an assignment and I can't get rid of this. In this programming assignment I am asked to write a computer program that simulates Nondeterministic Finite Automaton. Program will take NFA from a text file. The format in text file should be like this ; Number …

Im wondering is it possible to change c code to assembly code if its not thanks but if it is can some one give me sum pointers

Hi everyone, i'm back with another problem that i cant seem to work out. i'm trying to read in a .obj file which is basicaly a list of vertices and facets in this format v 0.00 0.00 0.00 f 0 0 0 i dont know before hand how many vertices …

Hello there, I was trying to implement a program for a friend of mine in C, this program has to read the HTML user input (directly or from a file), check that input if the HTML tags are put in their correct order. For example, If I entered [CODE]<HTML><[COLOR="Green"]/[/COLOR]BODY>Whatever text<BODY></HTML>[/CODE] …

Hey, I'm trying to understand how to float a pointer so that the pointer passes decimal places, and i am lost in the sauce. is it supposed to look like this? Thanks in advance. [code] int object1; object1 = 100 ; int object2; object2 = 1000; float *ptr_object1 = &object1; …

friends i need to send AT or ATX commands using c language i tried to write the data using biosserialcom() fn to write to serial port in win XP. but it failed .some error camesayin "16bit msdos subsystem error" my question is whether i will be sucessful if i tried …

how can i convert an array of char to char? this what i want to do char *argv[]; char i compare and index or argv to i.

Hi everybody, I've got a question for you. As assignment for the dsa course I've got a task regarding an array with cost values stored in each cell. The following is the array: [CODE="C"] int C[5][5] = { {8, 2, 3, 1, 5 }, {0, 6, 4, 9, 7 }, …

hello, I'm writing a program to collect the data from a sonar of a robot. the robot is running Fedora 6. I want to collect the data in an external file as there is a lot of information to be reviewed. the program is fine when I direct the sonar …

I am a new guy in C. But I have read stuffs about Malloc, Realloc, how to pass pointers to the function... If I am writing this code in single program, it works perfectly...but smart programmmer guide says write in compact form. So with user defined function this is not …

I have the text file (in1.text) <<<start>20>>everything going fine or not<start>i do not know but I am trying<end><start>Trying is but we can do<startabcdefghijklmnopqrstuvwxyz<end> <<<start>20>>Trying to do things<end><<<start>20>>well try try and try again<end> I have to extract tag <<<start>20>> from file.My code is [code=cplusplus] #include <vector> #include <fstream> #include <sstream> #include …

HOW to develop a program that plays the game of Mastermind by C programming? The Game of Mastermind Mastermind is a simple code-breaking board game for two players, i.e., a codemaker and a codebreaker, invented in 1970 by Mordecai Meirowitz. The codemaker secretly creates a code consisting of four colors …

i am trying to generate random numbers in a loop i wrote this function [code=syntax] int getRand ( int a , int b ) { static int x = 0 ; if ( x == 0 ) { srand ( time( NULL ) ) ; x++ ; } return a+rand()%(b-a+1); …

Hi, I'm writing a program where the user can enters numbers and these numbers are stored in a file, then the numbers are read from the file and a certain calculation is done to each number by creating a thread for each My problem is: The first problem is whenever …

Hi guys, I'm writing binary data to a file using fwrite. I can't get rid of '0x0D' whenever it writes '0x0A'. I use hex-viewer to check data. For example, if data is '0x01 0xFF 0x0A 0x0E', it writes '0x01 0xFF 0x0D 0x0A 0x0E' Is this because fwrite writes by byte, …

Hi... I'm currently doing a ludo game in C, I'm stuck with the pawn positions on the board. How do I manage the position of the pawns of each player, if I have maximum of two players and 4 pawns? Here is my code for the pawn position but it …

hai can we write a C program without using main()..if yes what is the other way of doing this

as we use \n for next line is there anyway to go back to the previous line if not then, is there anyway i can use the x,y coordinates of the runtime window. all the experts, Please Help...... Thanks.

Hi, I'm trying to create this program that does nothing until it's interrupted in the child, if the interrupt occurs then the parent should sent a SIGQUIT, so fare i have been stuck in an infinite loop =/ Any help is appreciated [code] #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include …

Hello, I need some help with the program below. [code] #include <stdio.h> float get_startingbalance(void); float getCntOfWithdrawls(); float getCntOfDeposits(); float getEachDeposit(); float getEachWithdrawl(); float checkBalance(); float calcAndDisplayBalance(); float displayBankRecord(); void print_withdrawalnumber(int num_withdrawals); void print_depositnumbers(int num_deposits); void print_startingbalance(float start_balance); void print_endbalance(float current_balance); int main() { /* Declare Variables */ int num_withdrawals, num_deposits, …

I am using Eclipse IDE on ubuntu 8.04, gcc 4.2.3, -masm=intel flag for intel syntax. I am using inline assembly in a C program by using asm();. If I want to [ICODE]mov eax, myVar[/ICODE] will only work if it is a global variable. How can i use local variables?

Often in a code snippet, I will see [code] printf("%d %2d %3d", i,i*i,i*i*i); [/code] What does putting the numbers in front do, since it works the same without them? (ie) [code] printf("%d %d %d", i,i*i,i*i*i); [/code]

Write a program and fill a queue with random numbers between 0 and 100. The size of the queue is assumed to be 15. After filling the array with random numbers, display the elements in the queue and remove the elements of the queue and store these numbers according to …

HI, Following is a program to calculate resistance. Can u please tell me how to make the program loop again using a 'While' statement or is there anyother way to loop the progam. Now my program runs once. Suppose if i enter wrong values, it should not terminate but rather …

Hi everyone I am dealing with visualization data formats for my project. Right now, I have two types of data format.. polygonal and unstructured mesh. And the data is in a 3D array format. I would like to know if there is any program or any method that I can …

hi, i am just newbie. first i want to say that i cannot write english with good, so i am sorry for my bad english. i live on Jakarta, i am still learning in college, now in this semester i start to learn cobol, but i like to learn C, …

Is the difference between the execlp execvp calls and execl execv, is that execlp execvp have the advantage of specifying a file name instead of a path name what makes these two functions better to use over execl and execv?

I feel really stupid by asking such question I have the following code [code] char choice; while( ( choice = MenuChoice() ) != 'QUIT' ) { PrintMenu(); { switch (choice) { case STRING: case 's': checkInput(strings); break; case QUIT: break: default: break: } } } char MenuChoice(void) { char menuchoice; …

I would like to know if you can measure execution time in nanoseconds - I have the following source code, however the time is measured in milliseconds. Help If You May ! [code=c] #include <stdlib.h> #include <stdio.h> #include <windows.h> #define NUM_ITEMS 500000 void quickSort(int numbers[], int array_size); void q_sort(int numbers[], …

Hi, I read in data from a file something like this in my main function text text texttext texxttet texet [code] char **array; ifp = fopen (filename.txt , "r");[/code] then I allocated some memory using malloc [code]for(i = 0; i < 3; i++) { array[i] = malloc(50 * sizeof(char)); } …

Hi, I have a problem creating one part of the program, Lets say we have a line (from data file): 333 hou 23se 444 bi 4g and the program should change to : house big deleting first number if there is one ,and changing word parts to numbers, and deleting …

Added just to help other.... [code=c] #include<stdio.h> #include<conio.h> #include<stdlib.h> void createHashTable(void); void getData(void); void formatting(void); int insertData(int); int collision_OpenHashing(struct hashOpen*& ,int); int generateKey(int); void DispData(void); void DispHash(void); #define dataSize 15 #define empty -1 #define fail 0 #define success 1 struct hashOpen{ int item; struct hashOpen *next; }*head, hashTable[10]; int dataArray[dataSize]; …

Basicaly I'm trying to do this [code=C] int create_student(student_data *student){ printf("Nome do aluno:\n"); fgets(student->name,name_limit,stdin); //wtf? printf("Número do aluno\n"); fgets(student->number,name_limit,stdin); printf("Aqui devia estar um nome %s",student->name); return 1; } [/code] Where student is a custom struct, student->name is char array. For some reason it seems to skip the fgets. Replacing with …

double b = 3.0000; char s[20]; sprintf(s,"%f",b); Here char s[20] is fixed it should take values however small be it.I will be happy if I get tat 20 at runtime as a varible with correct allocation size.Else for small value ter will be wastage of memory.It will allocate 20 for …

I have two program problems: a program that generates this file writing zeros for PID and TIME and random numbers in the 8 pozitions of the DATA field. and program that will create at least 3 child processes, each of which will repeat at least 10 times the following operations …

Hello I was wondering whether someone could help me with the below I have a variable called: char company[50]; I have a string which contains: "STEPHEN JOHNSON LTD" I want to change the LTD to LIMITED How do i do this?

I have been given some C code to compile which is several years old and need to compile it to see exactly what the program does. I know visual basic to an amount but i haven't touched C before. Anyway, how do i go about compiling the C code when …

I am a new guy in this forum. I have only recently begun to try and do something more complex than simple C/C++ programs .I hope to get some help on this forum from fellow programmers and get to know some people here

Hello, On many forums I go by Squint. I am in Texas and taking a course in C programming. I am going through an online course and my instructor does not seem to have the time to help me out so here I am. I am attending Thomas Edison State …

Hello everyone! This is my first post here, so, hi. ;) So I'm beginning to port (actually, re-write) one of my C games to Python to extend my Python knowledge, using wxPython. Yes, I know of PyGame, but I really want to use wxPython this time. I'm guessing direct pixel …

Helo, i want to write open SSL based c,c++ application for client socket in vc++ without using any API of winsock or MFC functionality. can u guide me how do i implement it. I search a lot on google but not getting exactly. Regards, Amit