Symbol: sys_getpgid
sys/kern/init_sysent.c
224
{ AS(getpgid_args), 4, (sy_call_t *)sys_getpgid }, /* 207 = getpgid */
sys/sys/sysproto.h
1602
int sys_getpgid (struct sysmsg *sysmsg, const struct getpgid_args *);