Index: obj_pstk.h
===================================================================
--- obj_pstk.h	(revision 15060)
+++ obj_pstk.h	(revision 15061)
@@ -109,6 +109,8 @@
 /* Copy orientation information (rotatioin and mirror) of an instance */
 pcb_pstk_t *pcb_pstk_copy_orient(pcb_pstk_t *dst, pcb_pstk_t *src);
 
+/* Clearance of the padstack on a given layer */
+pcb_coord_t obj_pstk_get_clearance(pcb_board_t *pcb, const pcb_pstk_t *ps, pcb_layer_t *layer);
 
 /*** proto ***/