Function lo_tell

src/interfaces/libpq/fe-lobj.c:521–548

* lo_tell * returns the current seek location of the large object */

 *	  returns the current seek location of the large object
 */
int
lo_tell(PGconn *conn, int fd)
{
	int			retval;
	PQArgBlock	argv[1];
	PGresult   *res;
	int			result_len;

	if (lo_initialize(conn) < 0)
		return -1;

	argv[0].isint = 1;
	argv[0].len = 4;
	argv[0].u.integer = fd;

	res = PQfn(conn, conn->lobjfuncs->fn_lo_tell,
			   &retval, &result_len, 1, argv, 1);
	if (PQresultStatus(res) == PGRES_COMMAND_OK)
	{
		PQclear(res);
		return retval;
	}
	else
	{
		PQclear(res);
		return -1;
	}
}

/*
 * lo_tell64