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But this method of loading all the data and dumping the useful data back to the file works like putting the data to a newly created file. My question is whether there exist a more efficient library...

anyway, thanks veru much ;)

Isn't there any other clever and efficient way to do that?

I have a problem that I want to insert and delete some chars in the middle of a file. fopen() and fdopen() just allow to append at the end.

Is there any simple method or existing library that...

problem solved again. ~~
thx

Driver,

my problem is that i can't open 2 file stream in a function because there will be always runtime error. Can you show me the code that you can do that? Thanks.

I have faced a problem that I use 2 file streams in a function and try to fopen() both files. Then I can't get the file descriptor. But if I just use 1 file stream and 1 fopen(), then i can get the...

Driver,

Thanks very much. With your help, I have solved the problem.

Ivan

Driver,

For your reference, my coe should be like this and "file1.txt" is a regular file. Can you please help me to see why error occurs in this code? thanks again.

...

Driver,

thanks very much for help. I have find the solution. Your code works.

sorry Driver, i really can't figure out the solution for my question with the code below that you posted. Would you please explain more with a simple code to do that? Thanks.

#include <termios.h>...

The errors EBADF & ESPIPE occur at this fseek call. Does anybody know how to solve this problem? Thanks in advance.

toFileStream=fdopen(localFileDes,"ra+");

if(fseek(toFileStream, 0,...

I am doing a project in C program which requires to type in password in Unix terminal. Does anybody know how to shade or not output any words typed by user in the terminal?

I use the function...