Lines Matching defs:PREV
50 use constant PREV => 0;
307 # PREV items. This cleanup method walks the list deleting all the NEXT/PREV
319 undef $slot->[ PREV ];
714 if ($slot->[ PREV ]) {
715 $slot->[ PREV ]->[ NEXT ] = $slot->[ NEXT ];
721 $slot->[ NEXT ]->[ PREV ] = $slot->[ PREV ];
724 $self->{ TAIL } = $slot->[ PREV ];
729 $head->[ PREV ] = $slot if $head;
730 $slot->[ PREV ] = undef;
775 $slot->[ PREV ]->[ NEXT ] = undef;
776 $self->{ TAIL } = $slot->[ PREV ];
783 $head->[ PREV ] = $slot if $head;
798 $head->[ PREV ] = $slot if $head;