- rb_iv_set (self, "@keyname", rb_str_new2 (e->keyname));
- rb_iv_set (self, "@key", rb_str_new2 (e->key));
- rb_iv_set (self, "@string", rb_str_new2 (e->string));
- rb_iv_set (self, "@compose", rb_str_new2 (e->compose));
+ rb_iv_set (self, "@keyname", TO_STR (e->keyname));
+ rb_iv_set (self, "@key", TO_STR (e->key));
+ rb_iv_set (self, "@string", TO_STR (e->string));
+ rb_iv_set (self, "@compose", TO_STR (e->compose));