how to create files named with current time?

Question

I want to create a series of files under \"log\" directory which every file named based on execution time. And in each of these files, I want to store some log info for my p

Answer 1

Sounds like you have mostly solved it already - to create a file like you describe:

char filename[256] = "log/";
timeStamp( filename );
f = fopen( filename, "a" );

Or do you wish do do something more?