/*
 * call-seq:
 *    conn.lo_close( lo_desc ) -> nil
 *
 * Closes the postgres large object of _lo_desc_.
 */
static VALUE
pgconn_loclose(VALUE self, VALUE in_lo_desc)
{
        PGconn *conn = get_pgconn(self);
        int lo_desc = NUM2INT(in_lo_desc);

        if(lo_unlink(conn,lo_desc) < 0)
                rb_raise(rb_ePGError,"lo_close failed");

        return Qnil;
}