signal_handler   10056 contrib/libtests/pngvalid.c    signal(SIGABRT, signal_handler);
signal_handler   10057 contrib/libtests/pngvalid.c    signal(SIGFPE, signal_handler);
signal_handler   10058 contrib/libtests/pngvalid.c    signal(SIGILL, signal_handler);
signal_handler   10059 contrib/libtests/pngvalid.c    signal(SIGINT, signal_handler);
signal_handler   10060 contrib/libtests/pngvalid.c    signal(SIGSEGV, signal_handler);
signal_handler   10061 contrib/libtests/pngvalid.c    signal(SIGTERM, signal_handler);