path_to_class       3 ext/-test-/path_to_class/extconf.h #define TEST_INIT_FUNCS(X) X(path_to_class)
path_to_class      14 ext/-test-/path_to_class/path_to_class.c     rb_define_singleton_method(klass, "path_to_class", path_to_class, 1);