/* lfibget.c - lfibget */

#include 

/*------------------------------------------------------------------------
 *  lfibget  -  Get an index block from disk given its number (assumes
 *                      mutex is held)
 *------------------------------------------------------------------------
 */
void    lfibget(
          did32         diskdev,        /* Device ID of disk to use     */
          ibid32        inum,           /* ID of index block to fetch   */
          struct lfiblk *ibuff          /* Buffer to hold index block   */
        )       
{
        char    *from, *to;             /* Pointers used in copying     */
        int32   i;                      /* Loop index used during copy  */
        char    dbuff[LF_BLKSIZ];       /* Buffer to hold disk block    */

        /* Read disk block that contains the specified index block */

        read(diskdev, dbuff, ib2sect(inum));

        /* Copy specified index block to caller's ibuff */

        from = dbuff + ib2disp(inum);
        to = (char *)ibuff;
        for (i=0 ; i