I'm confused about this

[Donnie J. Glass]

>From article <3945 at vela.acs.oakland.edu>, 
by jmwojtal at vela.acs.oakland.edu (Wojo):
Jeff Wojtalewicz (Wojo)  writes:

> I got this C program and this part I don't understand:
> 
> int   getpid();
> long  now;
> 
> now = time(&now) / rand();
> srand(getpid() + (int)((now >> 16) + now + time(&now)));
> 
> What does "srand" do to be exact?  It doesn't bring a value back?
> "getpid()" is declared, but the function is not in the program.
> 
> 

	getpid() gets the process ID number for the process.
	Similarly, getppid() returns the parent processes ID number.

----------------------------------------------------------------------
Don Glass
Oklahoma State University
donnie at d.cs.osu.edu