[c] Forum Topics

Rookie Disclaimer. I am confused about what is the difference between: A: char *p="string"; B: char q[10]="string"; For A: I can do "p++", which gives a pointer points to "t". But I cannot do command like "strcat(p, " test")", for example. For B: I can do "strcat(q, " test")", but …

Hello, I have been asked to use Microsoft SDK 5.1 to enable voice commands in a program. After installing the SDK I am using the Reco sample program. I am using a vocabulary which I have created. Reco recognizes this vocabulary and is working fine. For the program I need …

Hello to all coders out there. I have a doubt regarding the format "long double" which is producing wierd results when used in the case of a factorial program. When "long double" used with C lang. produces the output input = 3 factorial = -2.000000 while when used with C++ …

This is a snippet from a larger block of code. The print statements are included for testing. Within 'main', if I ouput the 'cell_ptr' or 'params' pointers, it correctly returns pointer values but if I try to output an element from the params array, I get an '...illegal operation...' message. …

Is there a way to get adress of beginnig of my program in operative memory while it executing?

Hi, I've inherited some code in C that acts as a server and receives requests over a socket. That is all working fine. I wanted to make a very small change to the server code to print out the hostname of the client connection. However, I'm always getting 0.0.0.0 as …

I have the following simple piece of code: [code] double new_amount; printf("Enter an amount: "); scanf ("%d", &new_amount); [/code] For some reason, it always give me zero as the new_amount no matter what I input. What exactly am I doing wrong? Also, is there a way I can do a …

I am finding difficulty in writing delete function for binary search trees. It wud be great if someone cud send me the code in C language.

Hi all, I wish to write the contents of a large char array into a file. I open the file for writing and say, fp is the pointer to the file. and I write : fprintf(fp,"%s",buff); Does fprintf write the whole array into the file or is there any inbuilt …

[code]///Program for Select Sort //Name: Sharan Shanmugaratnam //Date: June 6th, 2006 //Constants #include <stdio.h> #include <ctype.h> #include <string.h> #include <time.h> #define SIZE 1000 int main (void){ char x[1000][1000], y[1000][1000]; int size; char a[0][1000]; int sorting=0; FILE*file; //Opens the file that contains the 1000 words. file = fopen("words1.txt","r"); //Reads the file …

Hello is there any windows graphics programmers that can help with a problem?

J need function that calculate formula in infix notation. For exempele function that takes string as argument and return an float as value of that formula. J make function that calculate postfix formula but it is not help me to solve problem.

I am going to college after this summer for programming and applications development. I have a little knowledge of C++ and very little C. I was wondering if anyone had some suggestions to some exercises projects that would give me a head start if you will, before I get to …

Hello, These past few months I have been working with the C language. Before that, I was writing console applications with C++. I eventually got to the point where I couldn't seem to do anything more with C++, so I decided to use C as I know it is better …

Hello to you all , I am Trying to Implement Code for Void** Array which will Store Strings in a QUEUE system . I can see the Strings in the Queue . I am sure i dis the Casting OK, But i need a fresh pair of eyes. Also is …

I am using libcurl ls -l lib* libcurl.a libcurl.la -> ../libcurl.la libcurl.lai libcurl.so -> libcurl.so.3.0.0 libcurl.so.3 -> libcurl.so.3.0.0 libcurl.so.3.0.0 libcurl3.so -> libcurl.so.3 So we have link for libcurl.so and libcur.so.3 When I complile the code and link it how do I link the [B]libcurl.so.3 (with .3 at the end)[/B]? [B]cc …

Hi, I'm not a beginner in C...I'm more used to C/C++ programming through Microsoft visual C++ rather than Simple compilers such as TurboC. Now I've loaded TurboC in my home PC so that my brothers get started with C programming... But we are not able to compile any program... Error: …

I just need to know how to count the entries of an array like this one: [code] string array[] = {"entry", "entry", "entry", ... , "entry"}; [/code] Thanks!

Hi everyone have been asked to maintain a Borland Builder 6 application - though im more used to another environment have been finding Builder quite fun as a change. I have run into a problem - in the app there is a form which has an owerdrawn TListbox (items added …

I was trying to implement "strcat" myself, however, I found that the following commands simply won't work: "..... char *p; p="string"; *(p+2)=a; " I was thinking that this will change "p" to "staing". But no. It compilies fine, but when I tried to print out p, i got error message: …

hi all, I am required to generate an array having 100 random numbers, where there is absolutely no repetition and the case where the ith element of the array is the number " i " itself is not allowed .. I found some ideas where we could generate pseudo random …

hallo i need 2 deal with each digit after the floating point. ex . 12.5678 i need 2 compare the 12.5 with another number and then the 12.56 and then 12.567 and so on till 4 digits is there is a function that takes the int number and one number …

How do I pass a file to post instead of message The url i am posting is IP:PORT/app/server/recieve. How do I pass /app/server/recieve in the following program? struct sockaddr_in { (short int sin_family; unsigned short int sin_port; struct in_addr sin_addr; unsigned char sin_zero[8]; } struct sockaddr_in their addr; their_addr.sin_family=AF_INET; their_addr.sin_prot …

I want to open a file and count the number of strings in the first line. Assuming that each string is delimited by spaces. I tried to do some code but yet not successful, can anyone help? [CODE] int main(int argc, char* argv[]) { int count = 0; FILE *stream; …

<<mod edit: threads merged>> I need to write a recursion function recursiveMinimum that takes an integer array and the array size as arguments and returns the element with the smallest value in the array. The function should stop processing and return control to the caller if it receives a one-element …

I have done programs that print themselves on execution,but is it possible for a c program to execute itself or another c program whose path is specified??

No header file to do https in "C" Anybody knows good C based utility (not C++) that allows me to do post xml documetns via https to the server Need desperate help

hi all, Suppose, I have a string stored in a character array. I want this string to be stored in a file. If I do fopen and use the write mode ,the contents of this file will be junk.. How can I store the string as it is inside the …

Hi,everybody.Following is an simple C programm which want to display the content of a file with corresponding hex.If one letter is a undisplayed then replace it with '.' . info and code: info: [root@localhost guai]# gcc disp.c -o disp.exe disp.c:29:9: empty character constant disp.c: In function `main': disp.c:47: wrong type …

HI, I AM CAS ORJIOKE FROM NIGERIA. I'M A FINAL YEAR STUDENT IN ELECTRICAL AND ELECTRONICS ENGINEERING. I DESIRE KNOWLEDGE ALOT. IF THERE IS SOMEONE TO ME GAIN THE KNOWLEDGE IN C AND C++, I'LL BE VERY GRATEFUL. MY E-MAIL IS ;[email protected].

hello, I am supposed to transfer a .c file from my machine to a remote machine without "telnetting" ..I have managed to do so by using the basic socket programming functions...I must find out a way to make the remote machine to automatically execute the .c file on receiving it …

We have True 64 5.1 version of Unix that has c compiler. Also we run informix-4gl. Informix-4gl cannot do http post. But it can call "C" programs. So I need to do http post through "C". Since I am not very good at "C", I couldn't change and compile uday …

Helo friends!! I m having problems in understanding that how every node is added at last.Could anyone explain me this in much better manner. Well here it is.... we use a local "reference pointer" which always points to the last pointer in the list instead of to the last node. …

I really need help in computer projects can any one suggest me where to get computer projects please send in my mail .In case you are having one please attach it and send it in my mail. Hey it is dam URGENT my school is going to open within two …

Hi all, I'm new to this forum but very old to C & C++ :eek: . My particular areas of interest are artificial intelligence and computer aided software engineering. Regards, Bruce A.

I'm begginer in using c ( platform of linux) the problem is that idon't know name of function that ineed First Iwant to make simple applications to be able to go through it step by step. Can any one know functions used to accomplish that simple program =>Run/stop a specific …

Recently I installed Visual Studio 2005 .NET on my computer. I wrote a Win32 program. But my program doesn't run on PCs that doesn't have Framework 2 installed on. Is there any settings for VS 2005 .NET to make my code run on all PCs? Or what DLL file should …

I've got a 2 tricky questions for u. Can anyone write: 1). A "Hello World" program in 'C' without using any semicolon. 2). A 'C' program without using any loop (if, for, while,etc...) to print numbers. A friend gave me those questions but up till now i have not been …

i want to make a reservation system for my DataStructures Project. THE main requirement is that the complete data file has to be loaded in the memory and then any processing ( entry, deletion, sorting or searching ) has to be performed in the memory ? where am i going …

HI , i have some errors about linked list,when i made print it only shows characeters like 'ô¼'... plz help; :lol: // lets assume wordCount is 10 and vayArray is {"lower",upper}; :cool: Thank you very much Here is code:[code] struct for_char_5 { char vh5[80]; for_char_5 *next; }; for_char_5 *p, *start, …

Helo !!! I was trying to implement linked list in which the data field is Generic... the structure details are.. [code]typedef struct node { void *data; struct node *next; }gnode; [/code] Now to add a node into it, and i have written this function. [code]void insert(gnode **head,void *data,unsigned int size) …

i have been working on this for some time now and i get an error message that says "Could not find a match for 'vector<int>::vector(const int, const int, const int)' " heres my code. [code] #include<u:\C Plus\LVP\gui_top.h> #include<u:\C Plus\LVP\vector.h> //-------------------------------------------------------------------------------- class ButtonClass { public: ButtonClass(String Text, int X1,int Y1, int …

I'm doing an english paper, an internal proposal memo. I chose a fake company and their problem is use of remote monitoring software which bogs down a system beyond use when its active due to the software doing complete screen dumps for the monitoring. My proposed solution is to rewrite …

This is/was an interview question I got two weeks ago. Find where the loop begins in simple linked list. I hope this figure will help understand what I mean : [code] [LEFT][1] ->[2] ->[3] ->[4] ->[5] ^ | | U [10] [6] ^ | | U [9]<- [8]<- [7][/LEFT] [/code] …

I need help... I don't know how to insert data [continuous numbers] from a text file (.txt) into a linked list?? I have been searching for some tutorial abt it but i didn't found any of it. Please help me!!!

Hi all: I got some questions on the following terminologies: Stackframe and heap. Can anybody give me some explainations with simple examples? Thanks

Hi! I built this class, however when I executed my program the memory run out quickly, because I wasn't making any "deletes", so I added the delete in the destructor, but It crashes there... what's wrong? [CODE]class CMatrix { public: void Identity(); void SetMaxColRow(int nRow, int nCol); void SetElement(int nRow, …

Hi people: Here is a very basic question, but it has been bugging the living hell out of me. I am using Visual Studio 2005 and progamming in C. The whole program's skeleton was given to me, and NOT to be altered. There are several header files in the "header" …

Hello , I wish to create a User-Defined array (1=float , 2=int) and to ALLOC the array properly. I defined void* ARR in main function and is a SWITCH (choise) i will make the desired array. why doesnt it work? Code is attached . thanks :-)

I've been looking for information on threading, and I found information on POSIX pthreads. Apparently, Visual Studio 2005 does not have [INLINECODE]pthreads.h[/INLINECODE] in their library. I did a search on the computer, and I found pthreadlocale.obj in the LIB directory. Does this object file have anything to do with pthread.h? …