set status [z39$i.$setNo responseStatus]
if {[lindex $status 0] == "NSD"} {
z39$i.$setNo nextResultSetPosition 0
set code [lindex $status 1]
set msg [lindex $status 2]
set addinfo [lindex $status 3]
set status [z39$i.$setNo responseStatus]
if {[lindex $status 0] == "NSD"} {
z39$i.$setNo nextResultSetPosition 0
set code [lindex $status 1]
set msg [lindex $status 2]
set addinfo [lindex $status 3]