sigaction          45 usr/include/signal.h int	sigaction(int, const struct sigaction *, struct sigaction *);
sigaction          42 usr/lib/posix/signal/sigcompat.c 	ret = sigaction(signo, (struct sigaction *)sv, (struct sigaction *)osv);
sigaction          51 usr/lib/posix/signal/signal.c 	error = sigaction(sig, &act, &oact);