Index: data.h
===================================================================
--- data.h	(revision 13148)
+++ data.h	(revision 13149)
@@ -102,8 +102,9 @@
 typedef void (*pcb_epin_cb_t)(void *ctx, pcb_board_t *pcb, pcb_element_t *element, pcb_pin_t *pin);
 typedef void (*pcb_epad_cb_t)(void *ctx, pcb_board_t *pcb, pcb_element_t *element, pcb_pad_t *pad);
 
-/* via callbacks */
+/* via and padstack callbacks */
 typedef void (*pcb_via_cb_t)(void *ctx, pcb_board_t *pcb, pcb_pin_t *via);
+typedef void (*pcb_pstk_cb_t)(void *ctx, pcb_board_t *pcb, pcb_pstk_t *ps);
 
 /* Loop over all layer objects on each layer. Layer is the outer loop. */
 void pcb_loop_layers(pcb_board_t *pcb, void *ctx, pcb_layer_cb_t lacb, pcb_line_cb_t lcb, pcb_arc_cb_t acb, pcb_text_cb_t tcb, pcb_poly_cb_t pocb);
@@ -118,7 +119,7 @@
 void pcb_loop_all(pcb_board_t *pcb, void *ctx,
 	pcb_layer_cb_t lacb, pcb_line_cb_t lcb, pcb_arc_cb_t acb, pcb_text_cb_t tcb, pcb_poly_cb_t pocb,
 	pcb_element_cb_t ecb, pcb_eline_cb_t elcb, pcb_earc_cb_t eacb, pcb_etext_cb_t etcb, pcb_epin_cb_t epicb, pcb_epad_cb_t epacb,
-	pcb_via_cb_t vcb
+	pcb_via_cb_t vcb, pcb_pstk_cb_t pscb
 );
 
 pcb_data_t *pcb_data_new(pcb_board_t *parent);