SIG_DFL           442 lib/utilunix.c             signal (SIGINT, SIG_DFL);
SIG_DFL           443 lib/utilunix.c             signal (SIGQUIT, SIG_DFL);
SIG_DFL           444 lib/utilunix.c             signal (SIGTSTP, SIG_DFL);
SIG_DFL           445 lib/utilunix.c             signal (SIGCHLD, SIG_DFL);
SIG_DFL           483 src/main.c         (void) signal (SIGCHLD, SIG_DFL);   /* Disable the SIGCHLD handler */
SIG_DFL           146 tests/lib/utilunix__my_system-common.c     if (handler != SIG_DFL)
SIG_DFL           152 tests/lib/utilunix__my_system-common.c         tmp_handler = (void *) SIG_DFL;
SIG_DFL           287 tests/lib/utilunix__my_system-common.c     mctest_assert_ptr_eq (tmp_handler, (sighandler_t *) SIG_DFL); \