getpgrp - get process group ID

Syntax	#include <unistd.h> Optional #include <sys/types.h> (End) pid_t getpgrp(void);
Description	getpgrp() returns the process group ID of the calling process.
Return val.	Process group ID The function is always successful.
See also	exec, fork(), getpid(), getppid(), kill(), setpgid(), setsid(),sys/types.h, unistd.h, and the manual "POSIX Basics" [1 (Related publications)].