Index: layer_grp.h
===================================================================
--- layer_grp.h	(revision 10442)
+++ layer_grp.h	(revision 10443)
@@ -175,7 +175,10 @@
 pcb_layergrp_id_t pcb_layergrp_get_top_paste();
 pcb_layergrp_id_t pcb_layergrp_get_bottom_silk();
 pcb_layergrp_id_t pcb_layergrp_get_top_silk();
+pcb_layergrp_id_t pcb_layergrp_get_bottom_copper();
+pcb_layergrp_id_t pcb_layergrp_get_top_copper();
 
+
 /* return whether any silk or mask or paste layer group is visible */
 int pcb_silk_on(pcb_board_t *pcb);
 int pcb_mask_on(pcb_board_t *pcb);