rb_define_variable 3854 io.c               rb_define_variable("$/", &rb_rs);
rb_define_variable 3855 io.c               rb_define_variable("$-0", &rb_rs);
rb_define_variable 3856 io.c               rb_define_variable("$\\", &rb_output_rs);
rb_define_variable 997 ruby.c             rb_define_variable("$VERBOSE", &ruby_verbose);
rb_define_variable 998 ruby.c             rb_define_variable("$-v", &ruby_verbose);
rb_define_variable 999 ruby.c             rb_define_variable("$-w", &ruby_verbose);
rb_define_variable 1000 ruby.c             rb_define_variable("$DEBUG", &ruby_debug);
rb_define_variable 1001 ruby.c             rb_define_variable("$-d", &ruby_debug);