#include #include extern char *sys_siglist[]; typedef void sighandler(); main(argc, argv) int argc; char **argv; { register int i; sighandler *h; for (i = 1; i < NSIG; i++) { h = signal(i, SIG_DFL); if (h != SIG_DFL) { if (h == SIG_IGN) fprintf(stderr, "%d: ignored (%s)\n", i, sys_siglist[i]); else fprintf(stderr, "%d: caught (%s)\n", i, sys_siglist[i]); } } exit(0); }