checkctty         708 kern/kern_sig.c pgsignal(struct pgrp *pgrp, int signum, int checkctty)
checkctty         714 kern/kern_sig.c 			if ((checkctty == 0 || p->p_flag & P_CONTROLT) &&
checkctty         160 sys/signalvar.h void	pgsignal(struct pgrp *pgrp, int sig, int checkctty);