HMAPX_FOR_EACH_WITH_HASH (converter, node, hash, &map)
if (!strcmp (tocode, converter->tocode)
&& !strcmp (fromcode, converter->fromcode))
HMAPX_FOR_EACH_WITH_HASH (converter, node, hash, &map)
if (!strcmp (tocode, converter->tocode)
&& !strcmp (fromcode, converter->fromcode))