rb_f_exit 370 include/ruby/intern.h NORETURN(VALUE rb_f_exit(int, const VALUE*)); rb_f_exit 7581 process.c rb_define_global_function("exit", rb_f_exit, -1); rb_f_exit 7605 process.c rb_define_singleton_method(rb_mProcess, "exit", rb_f_exit, -1);