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Hello,

I have a pointer which holds a variable for example:

char * username;
strcpy(username, "ted");

How do you set the pointer so its empty and does not hold the name ted?

Thanks for the lightening fast replies. I'll give them a go now.

Hello,

Just a quick question, already googled etc..

If I have a pointer array lets say:



char * fruit[] = {"apple", "pear", "orange", "grape", "banana"};

Sorted

Hello,

I recently created a client/server program using c. Next I'm going to have a go at making an ftp client has user login however I can't find any tutorials on the net or in books relating to...

winioctl.h seems to be what I'm after for windows although I can't find anything about it in any reference librarys or "the c programming languange" book by Brain Kernigham and Dennis Ritchie.

Windows but I don't mind doing it on linux if its easier.

Cheers

Hello,

I have to write a program for uni and part of it includes accessing the dvd drive to see whether a disc is a dvd-rom, dvd-r, dvd+r.

Could anyone give me some pointers to libraries which...

I got it working with strncmp. I have one more quick noob question though.

I want the server to validate the user input so if there is more than one character in echoString the message "message...

Still can't get it working.

I edited out the rcode. I tried it commenting the if statements and stren out and whatever I input on the client be it 1, 2, 3 I get the same response so echoBuffer...

I've tried a load of stuff just now including switch statements and I still cant get anywhere. When using the code bellow I just get an output of "Ten" so its skipping over all the other if's. I was...

Hello,

I'm trying to quickly learn C as I have a program is write in about 2 weeks using it at uni. Its client/server stuff.

To the point I can get this string compare code to work. The client...

Yeah, this is just stuff we've been given to learn how tcp/ip works using wireshark as part of of the ethical hacking part of our computer forensic course. Its not assessed work. I've been brushing...

Sorry, I should have included the TCPEchoServer and TCPEchoClient classes which deal with creating the socket.


TCPEchoServer is bellow:




#include <stdio.h> /* for printf() and...

‘HandleTCPClient’:
HandleTCPClient.c:38: warning: assignment makes integer from pointer without a cast

error: expected expression before ‘]’ token

recv() failed or connection closed...

#include <stdio.h> /* for printf() and fprintf() */
#include <sys/socket.h> /* for recv() and send() */
#include <unistd.h> /* for close() */

#define RCVBUFSIZE 32 /* Size of receive...