rb_require_safe 421 include/ruby/intern.h VALUE rb_require_safe(VALUE, int); rb_require_safe 821 load.c return rb_require_safe(fname, rb_safe_level()); rb_require_safe 840 load.c return rb_require_safe(rb_file_absolute_path(fname, base), rb_safe_level()); rb_require_safe 1057 load.c return rb_require_safe(fn, rb_safe_level()); rb_require_safe 378 transcode.c rb_require_safe(fn, safe > 3 ? 3 : safe);