[c] Forum Topics

Okay first post here, and I'm running into a problem. What I would like to do is read in files and have the user enter in the measurement they're looking for. This is what I have so far. [code=c]// switch.cpp : Defines the entry point for the console application. // …

I am trying to convert a hexadecimal character array to a binary array (unsigned char) that I can use in crypto functions using Cryptlib or OpenSSL. Basically I have a Hex representation of a key like (02726d40f378e716981c4321d60ba3a3) which as a character array is 32 characters but as a binary array …

please provide me codes how to construct circular matrix as below 1 2 3 4 12 13 14 5 11 16 15 6 10 9 8 7

hi frnds, I am new to programming. As i have to start learning languages, as my first step i decided to learn C as it is said to be the basic and most important. Can someone suggest me some way to increase my interest in C by giving examples of …

1. Write a C program to read a list of books from a file and create a linked list to store them. The purpose of this program is to keep track of the books kept in a shelf. The shelf is a three-tier shelf and each tier can store up …

i'm tying 2 describe my problem here.plz solve it for me.. 1. generate a random number b2in 0 and 1 (r); 2. do t=r*2.5 ; 3. do w= t/100 4. keep track of all t1,t2,t3.... in an array and do the sum S=(t1+t2+t3......) ; 5. repeat steps 1,2,3,4, till S<100 …

Can anyone explain the flow chart or algorithm of the program attach? The program is about LCD clock but I don't know how it works. I need it by tomorrow so please help me take a look. Thanks

Hi, I am very new to Python and thus the question. I have a Python List ready now which I need to send to a C program for further processing. Is this possible? I came across SWIG which does a C to Python but could not find anything that did …

well i alawys wondered when i make char name[]="bla"; and count by ptr it doesnt work it says cant count wrong argument to increment but see whenever i like make it a function like void putit(char *Name); it work i dunno why though why does it work then if its …

Hi guys or gals , i'm in trouble with my class teacher, with in two days i have to finish my lab work .... i'm in need of c program using linked list my concept is 1. creating a linked list 2.Inserting a number in front of it 3.Insert a …

Hi, I am learning C as a hobby. Was looking at a textbook that I got at the fair. They talking about basic types etc and have the following code: char ch; int i; i = 321; ch = i; printf("ch=%d\n",ch); so what I did was to compile it to …

Does any one know how to get the index value in a 1 dim array of a returned character or integer? For example the value is 15 but I need to know where 15 is on the array, position a[0] or a[15] etc. thanking you in advance

I've been writing a java wrapper to a c library, and need to use asm to push the parameters onto the stack to call the library function. an extract of the c code: [CODE]extern void asm_dispatch(void *func, int nwords, char *arg_types, long *args, int res_type, long *resP,int conv); /********************************************************************/ /* …

Hi, I'm doing an assignment which throws an error when meeting division-by-zero error using Signals in C library signal.h and let user input another 2 numbers, if no error just continue letting user input 2 numbers and print out quotient of them. Here is my attempt: [code=c] #include <stdio.h> #include …

How would u determine the end of a word using pointers?

Hello! I'm having an problem.. while compiling one of the sources. ERROR = Error 5 error LNK2019: unresolved external symbol "int __stdcall WSPConnect(unsigned int,struct sockaddr const *,int,struct _WSABUF *,struct _WSABUF *,struct _QualityOfService *,struct _QualityOfService *,int *)" (?WSPConnect@@YGHIPBUsockaddr@@HPAU_WSABUF@@1PAU_QualityOfService@@2PAH@Z) referenced in function _WSPStartup@76 spi.obj ifslsp Thank You for your help. [CODE=c]int WSPAPI …

can who suggest me for c mini project .... u can also give source code ..... its so imp. for me ..... plZZZZZ..... SNIP

Can some body tell me how to take SHA-1 of a given string in C. I am using ubuntu 9.04 with kernel 2.6.30.

hi i need two dimensional cutting algorithm with sample code (vb,vb.net or c) pls any one help me. thanks

Hello everybody, I need your help for my C project..... The details of the program is given below :---- 1) [B] The input of the program will be another C program, and that is from a file.....( Please note this carefully)[/B] 2) [B] You have to check the syntax of …

Im stuck with my project. I have no idea how to begin this project. I need to write a function that shuffles say for example a deck of cards. which is represented by an array of 52 elements. Every element in the array is a structure for one card like …

Hey all, I'm new to C and trying to pick up good habits before I get too routed in my ways. Essentially, I have a code which runs a mathematical test on an array, and depending on the percent error, it decides to continue iterating or stop. Essentially, I have …

Can anyone help with this program. Both the functions work fine separately but when for example, I tried to use "if" for simplicity the islower came out as 0 when all the characters were printed out, because it's second in the flow of control. It would also help if I …

Hi All, Can somebody post me the logic to find all the occurences of a "substring" in a big string. The function strstr() gives the only first match. Thanks Mahesh

The function signature in C is as follows: void MaxMinAvg(int arr[], int * max, int * min, int * avg); Write a main function to test your code with different input valuesto demonstrate that your function is robust.

Hi! I' m looking for this header source "msp430x26x.h "... could someone help me? If you have the header source, could you send me an email? I'm [email snipped] thanks albert

i dont know if this is wright so help me please...thnks for advance inside my inventory.ini 000001,hamburger,30.50 000002,cheeseburger,21.00 100001,frenchfries,21.00 200001,icedtea,17.00 try to run it.. [code] #include <stdio.h> #include<stdlib.h> #include<string.h> #include<ctype.h> #define ERROR -1 #define OK 0 #define TRUE 1 #define FALSE 0 /* error codes */ #define ERR_INVALID 1 #define …

hai dani. can u pls help me how to create piechart in c. thanks in advance

Hy. I'm new in this programming and i wish to work with some device like cd-rom. So i wish to know how to open device. I know that i must work with socketfd but i just need some guidnes. Tnx

Hi, I am about to do a c project for my college term. My main aim is to spend my time and make a really useful software not just another project. I would like the community to give their ideas on something which I can make and develop and spend …

This is the code that i have, my project is to do this exact code, but with structs. I'm obviously very shaky on the structs concepts, however, i really need to get this assignment done. Any help in this matter would be greatly appreciated! [CODE]#include <stdio.h> #include <string.h> #include <stdlib.h> …

does anyone know how todisplay the following using a for loop in my program question:if n=5 where n is the ht of the pattern [code] ********* **** **** *** *** ** ** * *[/code] if n=4 [code] ******* *** *** ** ** * *[/code] SOLUTION I TRIED OUT IS [code=c]#include<stdio.h> …

a.h ------------------ this is one file This contains the following information inside the .h file /*add/root/temp/private/addsolutions.c/*/ int vehicle(int a,int b); int car(int a,int b); My request: I need to read the a.h file uearch for the addsolutions.c which is a header file search in the whole project directory and open …

my homework is to make a c program displayin de cosine series.....i made up one referrin buks but can it be made simpler or somethin using while statements.......... [code=cplusplus] #include<iostream.h> #include<conio.h> #include<math.h> int fact(int);//Global defenition void main() { //cos(x) //to find the power pow(number,power); //to find root sqrt(number)-- in math.h …

Wt happened is just i have made a very simple menu driven programme and in that programme wen i use character not matching wid d switch cases , it runs twice...i want it to run once only..i know its becoz getchar(); but y??? [code=c] #include<stdio.h> #include<conio.h> void even_odd(); int n; …

Right, so I'm fairly new to C and have worked in several high-level languages for a few years. Now I've been able to google and work with what I could find, but I have a few questions now. I'm working on a DLL that outputs information. Now I can store …

Need help guys! my problem is i cannot store file data into an array of structures. I can already read the file data and also tokenized it so as to separate data. here is content of the file that i am reading: 200001, hamburger, 30.50 100000, cheeseburger, 21.00 the name …

I thought that the function parameters were pushed onto stack from right to left. [code=C] #include <stdio.h> main() { int i=0; printf("%d %d\n",scanf(" %d",&i),i); } [/code] But this code prints out the keyboard entered value instead of 0. Why is it so?

Hello, I am new to c and up until now i have understood it pretty well. I am having a difficulty writing a program that lists the characters in a phrase entered into the program. I think my problem is with the loops and maybe some variable declarations. None of …

How to scan all the files and folders in the harddisk through c and obtain the result with their path in a file?

I have the following code, [code=C] main() { char *p="abc"; int x; x=++*p++; printf("%d",x); } [/code] My question is, when I try to do x=++*p++, the program crashes. If my associativity rules are right, first the address pointed to by p should be incremented by the postfix (p++) and then …

This is the situation, I wonder the reason. in .c file this works properly[CODE]vciDeviceOpen(&sInfo.VciObjectId, &hDevice);[/CODE] and this gives error :error C2440: 'function' : cannot convert from 'VCIID' to 'REFVCIID' [CODE]vciDeviceOpen(sInfo.VciObjectId, &hDevice);[/CODE] but in .cpp file this works properly[CODE]vciDeviceOpen(sInfo.VciObjectId, &hDevice);[/CODE] and this gives error :error C2664: 'vciDeviceOpen' : cannot convert parameter …

Hi I want to have a n*n matrix is there sombody to help me?? how i can write it??

hello i m given a question in book i m reading that i copy element but using ptr to copy and other choice will be using normal integers to copy i did normal integer but copy i think i got a problem with it [code] #include <stdio.h> int copyarr(const int …

Hi there! I was just wondering how could I modify the strstr function in order to calculate the distance between the two strings. Supposing that we have the following code: [code=c]char * str_find (buf, sub) register char *buf; register char *sub; { register char *bp; register char *sp; if (!*sub) …

Hi everyone, I'm new to C and have been given a C program to complete but found it includes many versions of the titled error for each class file. Can anyone please explain why it occurs and how I could get rid of them? Thanks, Cleo [code] q2.c:5: error: expected …

hy guyz... since i'm new to this forum i just want to say hello to you all... anyway, back to business. my teacher in my CS class gave me and my group an activity to work on. and since i'm the leader of the group, i was tasked to evaluate …

Simple1.c ------------------------------------ #include<stdio.h> int f1(int x, int y) { printf("%d %d", x, y); return x+y; } ----------------------------------- Simple2.c ------------------------------------ #include<stdio.h> extern int f1(int x,int y); void main() { printf(" %d\n", f1(5,6)); } ----------------------------------- I was trying complie Simple1.c file then Simple2.c on Turbo C/C++ Compiler (Windows Xp). It showing following …

Hello! This is my first post. Well,am fairly new to linux and its applications Presently,I've been assigned a project on Linux(Fedora 6) The steps of the project are as follows: Step 1: Prepare a hardware lock using microcontroller 8051. The PC's Parallel Port has to read the password, compare it …

I've been looking for the thread re swapping values of two string pointers but I couldn't findit and I don't know if it has already been solved. Assuming it's still on the lines waiting, I think I've got the simple code to solve it: [code=c]#include <windows.h> void swap(LPCTSTR*,LPCTSTR*); int WINAPI …