argf_gets        8137 io.c           static VALUE argf_gets(int, VALUE *, VALUE);
argf_gets        8176 io.c           	return argf_gets(argc, argv, argf);
argf_gets        8278 io.c               line = argf_gets(argc, argv, argf);
argf_gets        12432 io.c               rb_define_method(rb_cARGF, "gets", argf_gets, -1);