if (MBS_CASE_ALLOCATED (pstr)) re_free (pstr->mbs_case);
re_string_destruct (pstr)     re_string_t *pstr;{#ifdef RE_ENABLE_I18N  re_free (pstr->wcs);#endif /* RE_ENABLE_I18N  */  if (MBS_ALLOCATED (pstr))    re_free (pstr->mbs);  if (MBS_CASE_ALLOCATED (pstr))    re_free (pstr->mbs_case);}