function users_getspecialusers () {

if [ $# -ne 2 ]; then
    echo "$0: supply a VO and user-type as arguments"
    return 1
fi

# Get the entry marked prd for that vo. 
# If there's more than one result, take the most numerous

specvo=$1
specuser=$2

if [ "x$specuser" == "xdpm" ] ; then
 specvo="x"
fi

return=`awk -F: '$6==specusr && $5==tolower(virtorg){print $2}' specusr=$specuser virtorg=$specvo ${USERS_CONF} \
                  | sort | uniq -c | sort -n -k 1,1 | awk 'BEGIN{ORS=" "}{print $2}'`

if [ "$return" ]; then
    echo $return
    return 0
else
    yaimlog INFO "$FUNCNAME: could not find $specuser user for VO $1 in ${USERS_CONF}" 1>&2
    return 1
fi

}
