pgfind
for (fg = (proc_t *)pgfind(fg_pgid); fg != NULL; fg = fg->p_pglink) {
for (bg = (proc_t *)pgfind(bg_pgid); bg != NULL; bg = bg->p_pglink) {
for (prp = pgfind(pgid); prp; prp = prp->p_pglink)
proc = pgfind(-pid);
proc = pgfind(-pid);
if ((q = pgfind(pgrp)) == NULL ||
extern proc_t *pgfind(pid_t);
for (p = pgfind(pgid); p != NULL; p = p->p_pglink) {
if ((q = pgfind(pgid)) == NULL ||
for (p = pgfind(pgid); p && !error; p = p->p_pglink) {