#!/bin/sh

DEVICE=$1
SEGMENT=$2

INODES=`imap $DEVICE`

for INODE in `echo 1 2 $INODES` # recall that the imap & smap aren't in the imap...
do
    iblk $DEVICE $INODE | sed "s/,/ /g" | awk "{if (\$3 == $SEGMENT) print \$0}"
done