SIG_IGN           149 lib/tty/tty.c      act.sa_handler = SIG_IGN;
SIG_IGN           187 lib/utilunix.c     ignore.sa_handler = SIG_IGN;
SIG_IGN           241 tests/lib/utilunix__my_system-common.c     mctest_assert_ptr_eq (_act->sa_handler, SIG_IGN); \