pr_sigaction
if (!opt_a && pr_sigaction(P, SIGHUP, NULL, &sa) != 0) {
if (!opt_a && pr_sigaction(P, SIGQUIT, NULL, &sa) != 0) {
if (pr_sigaction(P, SIGHUP, &sa, NULL) != 0) {
if (pr_sigaction(P, SIGQUIT, &sa, NULL) != 0) {
extern int pr_sigaction(struct ps_prochandle *,