sighup
signal(SIGHUP, sighup);
SIGTYPE sighup __P((int signo));
signal(SIGHUP, sighup);
check_domain(int sighup)
cb.signal = sighup;
checkupdate(int sighup)
value = sighup;
void sighup(),
signal(SIGHUP, sighup);
(void) sigset(SIGHUP, sighup);
(void) sm_signal(SIGHUP, sighup);
FIX_SYSV_SIGNAL(sig, sighup);
static SIGFUNC_DECL sighup __P((int));
int sighup = 0;
sighup = argp->signal;
if (fcn != NULL && (sighup || domchg))