setpgid 20 nt/inc/unistd.h extern int setpgid (pid_t, pid_t); setpgid 1267 src/callproc.c setpgid (0, 0); setpgid 971 src/sysdep.c if (inherited_pgroup && setpgid (0, 0) == 0) setpgid 979 src/sysdep.c if (inherited_pgroup && setpgid (0, inherited_pgroup) == 0)