rb_mod_const_missing  956 include/ruby/intern.h NORETURN(VALUE rb_mod_const_missing(VALUE,VALUE));
rb_mod_const_missing 2142 object.c       		rb_mod_const_missing(mod, part);
rb_mod_const_missing 3531 object.c       		     rb_mod_const_missing, 1); /* in variable.c */