SIG_IGN           181 lib/tty/tty.c      act.sa_handler = SIG_IGN;
SIG_IGN           175 lib/utilunix.c     ignore.sa_handler = SIG_IGN;
SIG_IGN           235 tests/lib/utilunix__my_system-common.c         mctest_assert_ptr_eq (_act->sa_handler, SIG_IGN);                                          \