[c] Forum Topics

Hello everyone, I was given this assignment, but I am stuck. Your help is appreciated :) 1.Ask for a desired accuracy epsilon for the to approximate value of \pi. 2. Use the Leibniz series to approximate pi. 3.Check after each iteration step wether the value of the last summand | …

Hi, My task is to create a library/precompiled header for use with MASM. I am using Code:Blocks. I have googled quite a bit and haven't come up with an appropriate solution. I was hoping someone could point me in the right direction. This is what i have done so far: …

I found this site http://www.guyrutenberg.com/2007/09/22/profiling-code-using-clock_gettime/ If I have a server-client code and this: clock_gettime(CLOCK_REALTIME, &time_a); // create socket clock_gettime(CLOCK_REALTIME, &time_b); // close socket If I have a and b wand want to measure the time it takes to communicate, what's the best way ? Still not fully understanding the exact …

I have some experience with client-server codes. TCP and udp client. I want to know how a stream socket works with HTTP. This client is for a server-client code where the greatest common divisor is calculated and displayed. #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <errno.h> #include <string.h> #include <sys/types.h> …

I am preparing for my exams and i just found this question from previous question papers: Give the C Expression for the following algebric expression : 1. ab^4c^2-d/m-n 2. ab-[{(e+f)^9}/c}] Please help me as i am preparing for my exams and haven't read this topic yet. help plz

Hi! A task was to solve a problem using threads (sum up two arrays), but so that you have a global const which will represent number of threads you want to use. Somehow, this doesn't work, and Im not sure if this is correct way to do it. Thanks for …

I need a way to print(and later on compare - but for now just print) characters 2 by 2 as in: I have a string of 1F190307091810 and I have to print out: 1F 19 03 04 09 18 10. I need this for Baudot code(I have segments of code …

Currently doing C programming homework, I want to update the value in the file. But now I'm having a problem updating it. The problem I faced now was the codes below update the values but in the form of new lines. Instead of replace the original lines. What's wrong with …

Hello I'am looking for an alternative of system("CLS") , i don't need my whole screen cleared , i just want a specific text cleared for example : i want the word "loading" to remain on the screen while ". . ." these three dots appear and disappear for period of …

I am having a little bit of trouble finishing a project I have made for myself. Also, before we begin, it is important to note I don't have much experience with C++ programming and programming in general. I realize my code is probably not the most efficient or even elegant. …

Hello How to solve this ?I got mad because of this quation Write a menu driven application using C language that performs some searching and sorting operations. Your application should be able to perform linear and binary search. In addition, it can perform sorting using one of the sorting algorithms …

Hello How to solve this ?I got mad because of this quation Write a menu driven application using C language that performs some searching and sorting operations. Your application should be able to perform linear and binary search. In addition, it can perform sorting using one of the sorting algorithms …

Hi I wonder if any kind soul could help me with a timer problem in c. I am not at all experienced in writing c code. In a c dll (called from a vb user control) I need to avoid blocking the parent application, and also be able to abort …

Hi, I m Nagarjuna.I m doin my Masters in Computer Science at Indian Institute of Technology, Kharagpur. My thesis is on VANET security. I m doin a simulation using GloMoSim software. I want to broadcast messages/packets to all nodes(within the transmission range). As far as I ve understood the GloMoSim …

I have an mxn matrix, that is stored in memory in an array: matA = new float[m * n]; // ... Assign values matA[0] = 1; matB[1] = 2; // ... After I finish with this array, I then need to create very similar array to store a new mxn …

I want to create a simple stream socket server. I haven't found a website that explains it well. So how do I create a simple stream server ? One connection is fine.

what is micro in c programming.

Well, this morning I tried to write a program to update environment variable's list. And I got stuck at a very crucial point. I think am making some silly mistake. A second opinion will be helpful. Algorithm: 1) Take complete path of environment variable into a string variable 'env'. 2) …

Say I have code like this... typedef struct { unsigned A:1; unsigned B:1; } FlagStruct; extern FlagStruct *Flags; Imagine that the Flags instance is a shared resource in a multi-threaded application. Say thread #1 decides to read the value of Flags->A but thread #2 decides to set or clear Flag->B …

i am supposed to write a code for searching for a memory offset of a hexadecimal value in a binary file , i successfully wrote the code for normal search but i was asked to do it using binary search any ideas on how can that be done ?

This code allows you to create a linked list and reverse it recursively.

I wrote this test program to test the binary tree for a particular purpose. The intent is to make 2 new tree nodes with new data and destroy the data of the parent data, as its no longer needed (essentially its supposed to imitate "splitting" but my design calls for …

Hello, My problem is like that when I scan the data using fgets function and after I put fflush function but compiler not wait for taking a data and it is directly go in next value scan.How to solve my program?

Question : In Bouboun University's Information Systems 3 arrays are used to store student details, 1. Stud_Names (array of strings) holds the name of 100 Students 2. Stud_Map (array of strings) hold the ids of the 100 students (whose details are stored in Stud_Name) 3. Stud_Marks_Mod1 (array of floats) holds …

C Program - to accept 'n' strings from user and store it in a char array I am currently using Turbo C++ Version 3.0 (one with blue screen) Can any one help with the C Code of the subject ?

So i'm new to C and i have a problem with struct, so when i run the program it goes to the_struct2 asks for first name and thats it. why does it stop working? is there a way to make the code more efficient? and is there a way to …

hey guys, so i get the "c incompatible types in assignment" error in the malloc line. would someone please explain where i went wrong? Thank you in advance. #include <stdio.h> #include <stdlib.h> struct the_struct { char FirstName[20]; char LastName[32]; int Score[20]; }; int main () { int i,n; struct the_struct …

Hi, I'm getting an error that says my defined constant is not a function. It's not supposed to be a function. This is the error... Tick.c:389:35: error: called object '200000000ul' is not a function It points to... #define TICKS_PER_SECOND ((GetPeripheralClock()+128ull)/256ull) GetPeripheralClock has the error. It comes from... #define GetSystemClock (200000000UL) …

the WindowClass.hbrBackground=(HBRUSH) CreateSolidBrush(RGB(0,255,0)); change the all windows backcolor, registed with these class(WindowClasss). and for change the DC\window backcolor we need use WM_ERASEBKGND or other messages for do it(i don't remember how). but the SetDCBrushColor() do the job, right? but seems be ignored :( i'm using it in WM_PAINT messages. can …

#include<stdio.h> #include<conio.h> #include<graphics.h> #include<dos.h> void base() { int k,l; for(k=0;k<20;l=l+16,k++) { rectangle(100+l,400,116+l,418); //square box line(107+l,418,107+l,413); //middle down to up line line(107+l,413,100+l,409); //middle to left side line(107+l,413,112+l,400); //middle to up side rectangle(100+l,418,116+l,436); line(107+l,436,107+l,431); line(107+l,431,100+l,427); line(107+l,431,112+l,418); } } int main() { int gd=DETECT,gm; int i,j,k,l,ch1,ch2,x=90,y=389; initgraph(&gd,&gm,"c:\\tc\\bgi"); //base(); ch1=getch(); while(ch1==32) { base(); if(ch1!=32) …

the DrawText() function is for draw text with a rectangle size. but if the DT_VCENTER is used with DT_SINGLELINE, how can i use the "\n" and "\t" strings formats?

Hey guys,how can i retain the output window when stdio is used as my header?

Hello I'm working on this final project. I need to create an ATM program with a unique pin code. However every time I run the p I have done 3 hours of researching and I've decided to just ask. What am I doing wrong that it's just running the do …

i want the code o snake game by using c lanuage anyone can help?:)

I have a problem with the error "cannot convert from 'int' to char[][] ". I check it for many times but I do not know how to fix. I just start with C. Could you help me, please? The error in the lines 23, 25, 28, 32, 64. I would …

Hi, i'm trying to write a c code for finding height of silhouette at every given [oint of x using brute force can any one help me out please. Thank you

I've learned the hello.c using FUSE. It can create a hello file under mountfile. But I've no idea about how to create a folder under the mountfile and then create hello under mountfile/folderIcreate. then I can use cat mountfile/folderIcreate/hello the code is similar to the simple hello.c. #define FUSE_USE_VERSION 30 …

My Name is Leonard E. Norwood Jr. I'm Undergraduate student from Norfolk State University in Norfolk Virginia. Getting down to the point, my program is supposed to print out a list of pre-set numbers in reversal. I used pointers for this, however, something went wrong so I'm trying my best …

#include <stdlib.h> #include <string.h> int main(int argc, char *argv[]) { char *first, *second, *third; first = malloc(888); second = malloc(22); third = malloc(22); strcpy(first, argv[1]); strcpy(second, argv[2]); free(first); free(second); free(third); return(0); } Like I said before, I need help learning C and trying to figure out my errors. With this …

Am trying to write a c program to do the following; • Write on the screen: ``Please enter a positive number: ''. • Accept a number from the user. • Keep prompting for more numbers until -1 is entered • Output the sum of all entered numbers excluding -1. • …

Hi all, trying to read up on C to get acquainted with the language. Got an exercise am trying to answer and i may need your help to know if am right. I have this code as below, and am asked, what lines have buffer length checking errors. int main( …

i need a C program to enter user info. and calculate cost ... a program like a point of sale (POS) system

A simple program to show you how to create a table of Fahrenheit and Celsius values using a for loop. You may be able to learn from this code.

IplImage *in; CvMemStorage *storage = cvCreateMemStorage (20506); CvSeq *contours=NULL; CvPoint *PointArray=NULL; for() { //image processing and feature extraction code here cvClearMemStorage (storage); //clear memory area free (PointArray); cvReleaseImage (&in); } At the end of each iteration i ma releasing memory but still i get memory shortage error after # processing …

Does anyone know of a compiler that translates a C++ code to MIPS Assembly Language

i'm learning win32 from Programming Windows Fifth Edition book, but i need ask something about these code: /*−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−− SCRNSIZE.C −− Displays screen size in a message box (c) Charles Petzold, 1998 −−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−*/ #include <windows.h> #include <tchar.h> #include <stdio.h> int CDECL MessageBoxPrintf (TCHAR * szCaption, TCHAR * szFormat, ...) { TCHAR …

Can someone please explain this error and how to fix it? This worked perfectly on my computer but it stopped working when I transferred it to another computer. int hash = 0; char *strings[100]; if((int)strings[i] != 0) if((int) strings[hash] != 0) while((int) strings[hash] != 0) if((int)strings[hash] != 0) if((int)strings[hash] != …

I know this is how you read from a file. I also want to print my output to the same name of the file plus ".txt". So if my file is called "text" I want to print it to a file called "text.txt". #include <stdio.h> #include <stdlib.h> #include <stdbool.h> int …

What does creating a pointer of a function do? I'm not used to getValue being a pointer. char* getValue(char* string); I'm used to something like this. char getValue(char* string);