Are you after something like this?
SELECT
CAST(SO.[name] AS CHAR(20)) AS TableName
, CAST(SI.[name] AS CHAR(30)) AS IndexName
, CAST(SC.[name] AS CHAR(15)) AS ColName
, CAST(ST.[name] AS CHAR(10)) AS TypeVal
, CASE
WHEN (SI.status & 16)<>0 THEN 'Yes' ELSE 'No'
END AS ClusteredIndex
FROM
SYSOBJECTS SO
INNER JOIN
SYSINDEXES SI
INNER JOIN
SYSINDEXKEYS SIK
ON
SIK.[id] = SI.[id]
AND
SIK.indid = SI.indid
INNER JOIN
SYSCOLUMNS SC
INNER JOIN
SYSTYPES ST
ON
SC.xtype = ST.xtype
ON
SIK.[id] = SC.[id]
AND
SIK.colid = SC.colid
ON
SO.[id] = SI.[id]
WHERE
SO.xtype = 'u'
AND
SI.indid > 0
AND
SI.indid < 255
AND
(SI.status & 64)=0
ORDER BY
TableName
, IndexName
, SIK.keyno