76   struct sigaction sigact;  in main()  local
99   sigact.sa_handler = sig_handler;  in main()
100   sigact.sa_flags = 0;  in main()
101   sigemptyset(&sigact.sa_mask);  in main()
102   sigaction(SIGUSR1, &sigact, NULL);  in main()
103   sigaction(SIGUSR2, &sigact, NULL);  in main()
104   sigaction(SIGHUP, &sigact, NULL);  in main()
105   sigaction(SIGTERM, &sigact, NULL);  in main()
106   sigaction(SIGALRM, &sigact, NULL);  in main()
107   sigaction(SIGCHLD, &sigact, NULL);  in main()
110   sigact.sa_handler = SIG_IGN;  in main()
111   sigaction(SIGPIPE, &sigact, NULL);  in main()