How to get child PID in C?

Question

I\'m creating child processes in a for-loop. Inside the child process, I can retrieve the child PID with getpid().

However, for some reas

Answer 1

fork already returns the child's pid. Just store the return value.

look at man 2 fork:

RETURN VALUES

 Upon successful completion, fork() returns a value of 0 to the child process and
 returns the process ID of the child process to the parent process.  Otherwise, a
 value of -1 is returned to the parent process, no child process is created, and
 the global variable errno is set to indicate the error.