ALL_FIELD_OPTS
opts &= ALL_FIELD_OPTS;
if (!(opts & ~ALL_FIELD_OPTS))
opts &= ALL_FIELD_OPTS;
if (!(opts & ~ALL_FIELD_OPTS))
opts &= ALL_FIELD_OPTS;
if (!(opts & ~ALL_FIELD_OPTS))
returnCode(ALL_FIELD_OPTS & Normalize_Field(field)->opts);