[c] Forum Topics

Hi every one, I am currently working on a server program which executes a series of system commands on receiving a messgae from the client(in C). what the server essentially does is he cd's into a particular directory and executes a shell script that calls make utility and does some …

Hi all, I am developing the Test Engine for an aviation application. The application has a file a.c that is calling an external function CREATE_SAMPLING_PORT(). My Test Engine has a file b.c that is calling CREATE_SAMPLING_PORT() as well. Each file is in different folder and has its own makefile. This …

2. A student studying Information Technology at Polytechnic of Namibia is examined by coursework and written examination. Both components of assessment carry a maximum of 50 marks. The following rules are used by examiners in order to pass or fail students. a. A student must score a total of 40% …

I wrote this round robin code and I want to calculate Response Time and Throughput [code] #include <stdio.h> #include <stdlib.h> // Data Structures typedef struct process{ char jobName; int arrivalTime; int execTime; struct process *next; } P; typedef struct result{ char Name; struct result *next; } result; // End of …

problem: a list represented using cursor based implementation contains all ACT, BSCS, BSICT, BSIT and BSMATH students. A dictionary is created implemented using open hashing for BSCS and BSIT students. Each grouping the dictionary is a list implemented using cursor based. given below is the definition of the LIST, Dictionary, …

I have a look up table as follows: [CODE] // A structure to hold all the commands and function pointers typedef struct { char functionName[256];// The function name is used to refer to the function pointer int (_stdcall *myfunction)(char *, char *); // This defines the function pointer } LOOKUP_TABLE; …

I'm going through K.N. King's introductory [i]C Programming: A Modern Approach (2e)[/i] and every time I see the code in the book, I can't help but wonder what's the better way to write your code in the following situation. Should I use the curly brackets or not, and how much …

Hi, Is anyone aware of a trial UML or a freeware UML that can generate a sequence diagram from a code written in C in visual studio 2008? Thanks, rapids79

I have been advised by many people that it is better to use integer return type for main function instead of void ! I actually dont understand what return 0 means .. main returns 0 value to program ! What does that mean ?! Could you please help me understand …

i jst came up wid an idea n i dnt knw how to proceed furthr....i'd lyk to encrypt data in such a way dats its decrptd in stages. initial stages when overcome wud show irrelevant dat(nt garbage)xtractd frm d original data...decrption methods wud vary in each stage.... more complicated in …

i want to know the exact and correct definition of a linear list.should i mention about predesessor of every element too?or mentioning only one sucsessor for each element is enough to define a linear list.pls give an answear asap.i am really confused about it.

i want to develop a parallel thread based application , so which is best language for it??

This may really simple to most people on here but i'm going crazy trying to work it out. I was set a task by someone to write a bit of code in C to do the following: 1) Ask Operator to enter 2 things - a letter of the alphabet, …

Hello! I am having issues with a project for my C class. We were provided the program shell (structs and the function calls) and we fill in the code for the functions. I did this, however I get a segmentation fault every time I first access my structures. Can anyone …

I just wondering is there any possible way to use rand() in a function to generate a random? #include<stdio.h> #include<stdlib.h> #include<time.h> int get_random(void); int main(void){ int i; for(i=0;i<=5;i++){ printf("%d\n",get_random()); } return 0; } int get_random(void){ srand((unsigned)time(NULL)); int x; x = rand()%2; return x; } I run above code and generate …

[CODE]#include <stdio.h> int MyStrlen(const char *si); int main() { char str[] = "a"; char str1[] = "HELLO"; char str2[] = ""; printf("Length: %d \n", MyStrlen(str)); printf("Length: %d \n", MyStrlen(str1)); printf("Length: %d \n", MyStrlen(str2)); return 0; } int MyStrlen(const char *si) { int input; for(input = 0; *si; si++) input++; return …

Well I recently got my new Mac and with previous knowledge of C# decided to start playing about with Cocoa. I am trying to make a simple application that on button press will show in a textbox or label 1 of say 5 sentences pre-coded. If anyone could point me …

were having a project about turbo C programming,,, were ask to make a receipt program can you please help us how to create a code for the program.. thanks...

In C a structure is passed to a function by value. This means that the structure valued is copied for processing in the body of the function. Therefore any changes made to the value by the function would not give any effect on the value of the structure Any idea …

I'm trying to validate a day of the month, so that if the user enters a negative value or a value above 31, the program prints an error message and prompts for another day. The code below doesn't work as expected. Instead, it gets caught inside an infinite loop, printing …

Firstly, Here's my code running in VS 2010. [code=c] #include <iostream> #include <fstream> #include <string> #include <list> using namespace std; class Student { friend ostream& operator<<(ostream&, Student); friend istream& operator>> (istream&, Student&); private: int stuId; string name; int gpa; public: Student(int, string, int); int getStudId(); }; ostream& operator<<(ostream& out, Student …

How to delete array elements by using it's subscripts in C language?

Hello. I'm having a bit of trouble with my programming. I'm giving a signal to my board and it will detect and display the maximum and minimum point of the signal wave. However, I'm not really sure if I wrote my codes correctly. Also, I'm getting this error : "operator …

Hello. I have started to learn OpenGL in C/C++ and I want to use 2D graphics. My operating systems are Windows XP and Linux (Ubuntu). How do I load a image from a file and draw it on screen? My image files are png and jpg. Can I write a …

[TEX]This is a small Program i have written to perform the Basic Operations. Here is my code for it. Please suggest to improve more.................[/TEX]3 [CODE] #include <stdio.h> #include <string.h> int main() { char operator; int num1, num2; //char operation[1]={'\0'}; printf("Enter two numbers and operator to perform calculations!...\n"); printf("Enter the operator: …

how to reverse it? i had tried [CODE]#include <stdio.h> void main() { int i = 30; int x; char reverse[31]; char title[31] = "programming concepts and design"; for(x = 0; x >= 0; x++) { reverse[x] = title[i]; i--; } printf("The reverse order is %s\n", reverse[x]); } [/CODE] the result …

Hi I have Fedora Core 5 2.6.17-1.2174_FC5 with gcc version: gcc (GCC) 4.1.1 200 60525 (Red Hat 4.1.1-1) everything compiles well, and run smoothly on my machine. But the actual production machine is Linux 2.4.20-46.9.legacysmp with gcc version gcc (GCC) 3.2.2 20030222 (Red Hat Linux 3.2.2-5) on the production machine, …

The aim of the program is to read contents from 2 files and store it in struct variables.(This is actually a part of another program which stimulates pass2 of two pass assembler) [B]This code works fine.[/B] [code=c] #include<stdio.h> #include<stdlib.h> #include<string.h> struct optbl { char opco[10]; int value; }o_tbl[100]; struct symtbl …

how can i use the switch statement to find a value in a range? example like, [CODE]#include <stdio.h> void main() { int monthly_sales; double monthly_income; printf("Enter your monthly sales amount > "); scanf("%d", &monthly_sales); switch(monthly_sales) { case 50000: // i want make this in a range, greater than or equal. …

C program to construct a divided difference table for f(x) = cos x based on five points which are 0,1,2,3,4. Use the coefficient ak (k, cos k). Round up to 7 decimal places. Derive p1(x), p2(x), p3(x), p4(x). Please I need any help I can get on this program. Whatever …

Hi all, I need to get a random number from the following: [CODE]#define RAND(min,max) ((min)+(int)((double)(max-min+1)*rand()/(RAND_MAX+1.0)))[/CODE] but when I print it out it just prints the value of min. [CODE]printf("%d", RAND(10000000,99999999));[/CODE] please help! thanks in advance.

I need help on how to write a program that will automatically adjust circuit resistance until the maximum power is delivered to the load. The circuit will consists of a programmable power supply, a variable resistor, a fixed resistor, and a programmable load resistor. The user will enter the value …

I have written the inbuilt gets() and puts() function.... Can anyone help me to make it much more simpler...

Hey guys, Just needing your help on this code. [code=c] #include <stdio.h> int main() { FILE *fin,*fout; char c; fin=fopen("input.img","rb"); fout=fopen("output.img","wb"); while ((c=fgetc(fin))!= EOF) { fputc(c, fout); } return 0; fclose(fin); fclose(fout); } [/code] I'm trying to unscramble a scrambled image and this just outputs nothing. Would you guys be …

hello can you help me please,my problem is that i don't know how to format numbers when the user input this 1500 it should display 1,500.00 and having total paid 3,080.00 please help me hoping for your positive responds...thank you in advance...

Guys will you pls help me make a calendar turbo c program? the program prompts the user to enter a month in integer form from 1-12 only (1-12 refers to month) and also prompts the user to enter year from 1980 - 2010 only if you enter an invalid integer …

printf("\"My salary was increased by 15%%!\"\n"); why this prints "My salary was increased by 15%!" i think it should print %% instead of %

This function reformats a numeric sequence to include grouping in the usual human readable format. "123456789" becomes "123,456,789", for example. The formatting is localized to the current running machine. In a German locale the previous example becomes "123.456.789". In a Hindi locale it becomes "12,34,56,789". Printing numbers for human consumption …

Hi. I am trying to create a look up table in C. I have attempted it, but there are compilation errors occurring. Can anyone tell me what i'm doing wrong/offer any advice? I have in my header file the following: [code] struct { (void)(*function)(); const char* functionName; } lookUpTable[] = …

Hi guys, I've to develop a software to compress and extract files using the RLE algorithm. And I've decided to implement it so that if I've a set of chars like "ABRTTTTOPSSSSSNU" it will be converted as "ABR4*TP5*SNU". Now, the problem is that for example the char '*' could be …

I have a program which processes thousands of chemical structures. To keep track of how many are being processed, and to avoid staring at a blinking cursor for minutes not knowing if anything is happening, I included a simple bit of code: [code=c] if((MOLNUMBER%10000)==0) { fprintf(stderr,"."); } [/code] What could …

My hobby is embedded programming therefore I’m learning C , I was just wondering if C has library functions like windows forms,buttons etc(like in C#)?

Hello friends,I need help to create a program which converts a given dfa to minimised dfa.Not many articles or help is available on the internet and so i request your help.The program can be in any language and any input may be assumed..say for the input,a dfa is given through …

I think these req's might be impossible. 1. Upload a .hdrs file containing hundreds of thousands of email headers. All headers (each email header record) in this file contains many identical and many different header fields. These email headers are generated from Spam Reports. 2. Return all unique headers and …

Can anyone explain me the merge sort code(using divide and conquer method and recursive call)...

Reading in a string from a file and need to preform basic math equations with it, therefor assuming it can't be in string form. I am attempting to use ATOF but am getting 0's and nan's in return...any suggestions? #include <stdio.h> #include <string.h> #include <math.h> int main() { /*Define Everything*/ …

Hello yet again... Anyway, I'm trying to convert a string that has the form of "1097.04", that is, decimal fixed point with two digits after the decimal point. My code currently reads this number from a file then stores it in a *char. Then when i try to convert this …

Hi, Is it possible to display the output of a C program in different font sizes by setting it in the code? If yes, please guide regarding the same. Thanks.

Hi I am creating a DLL which will often make calls to another DLL. I have gone through the procedure of getting a handle to the other DLL and this works fine for some function calls. It seems like the functions which don't modify a parameter work fine. The access …

Hello everyone I am new with algorithm, this is one of my problem which I am trying to sort out. Can anyone help me with some clues for this... Design an algorithm that will read an input weight for an item to be shipped search an array of shipping weights …