pgsignal
pgsignal(tp->t_pgrp, SIGWINCH, 1);
pgsignal(tp->t_pgrp, SIGWINCH, 1);
pgsignal(tp->t_pgrp, SIGWINCH, 1);
pgsignal(tp->t_pgrp, SIGWINCH, 1);
pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1);
pgsignal(pgrp, sig, 0);
pgsignal(tp->t_pgrp, SIGWINCH, 1);
pgsignal(pp->p_pgrp, SIGTTIN, 1);
pgsignal(tp->t_pgrp, SIGTSTP, 1);
pgsignal(pp->p_pgrp, SIGTTOU, 1);
pgsignal(tp->t_pgrp, SIGINT, 1);
pgsignal(tp->t_pgrp,
pgsignal(tp->t_pgrp, SIGTSTP, 1);
pgsignal(tp->t_pgrp, SIGINFO, 1);
pgsignal(tp->t_pgrp, SIGCKPT, 1);
pgsignal(p->p_pgrp, SIGTTOU, 1);
pgsignal(tp->t_pgrp, *(unsigned int *)ap->a_data, 1);
pgsignal(p->p_pgrp, SIGTTIN, 1);
pgsignal (pg, SIGURG, 1);
pgsignal(vconsole->cn_dev->si_tty->t_pgrp, SIGWINCH, 1);
void pgsignal (struct pgrp *pgrp, int sig, int checkctty);