/*
 *  call-seq:
 *     index_reader.terms_from(field, term) -> TermEnum
 *
 *  Same as IndexReader#terms(fields) except that it starts the enumerator off
 *  at term +term+.
 */
static VALUE
frt_ir_terms_from(VALUE self, VALUE rfield, VALUE rterm)
{
    IndexReader *ir = (IndexReader *)DATA_PTR(self);
    return frt_get_te(self, ir_terms_from(ir,
                                          frt_field(rfield),
                                          StringValuePtr(rterm)));
}