FcNameUnregisterConstants (const FcConstant *consts, int nconsts);
FcPublic const FcConstant *
-FcNameGetConstant (FcChar8 *string);
+FcNameGetConstant (const FcChar8 *string);
FcPublic FcBool
-FcNameConstant (FcChar8 *string, int *result);
+FcNameConstant (const FcChar8 *string, int *result);
FcPublic FcPattern *
FcNameParse (const FcChar8 *name);