NAME setpgid, getpgid, setpgrp, getpgrp - set/get process group LIBRARY Standard C library ( libc , -lc ) SYNOPSIS ... getpgid(pid_t pid ); pid_t getpgrp(void); /* POSIX.1 version …NAME setpgid, getpgid, setpgrp, getpgrp - set/get process group LIBRARY Standard C library ( libc , -lc ) SYNOPSIS ... getpgid(pid_t pid ); pid_t getpgrp(void); /* POSIX.1 version …NAME setpgid, getpgid, setpgrp, getpgrp - set/get process group LIBRARY Standard C library ( libc , -lc ) SYNOPSIS ... getpgid(pid_t pid ); pid_t getpgrp(void); /* POSIX.1 version …NAME setpgid, getpgid, setpgrp, getpgrp - set/get process group LIBRARY Standard C library ( libc , -lc ) SYNOPSIS ... getpgid(pid_t pid ); pid_t getpgrp(void); /* POSIX.1 version …Alpha, SPARC/SPARC64 only getpgid (2) 1.0 getpgrp (2) 1.0 getpid (2) 1.0 getppid