Index: trunk/src/obj_subc.c
===================================================================
--- trunk/src/obj_subc.c	(revision 14181)
+++ trunk/src/obj_subc.c	(revision 14182)
@@ -179,6 +179,25 @@
 	return 0;
 }
 
+pcb_bool pcb_subc_find_aux_point(pcb_subc_t *sc, const char *role, pcb_coord_t *x, pcb_coord_t *y)
+{
+	pcb_line_t *l;
+
+	if (sc->aux_layer == NULL)
+		pcb_subc_cache_update(sc);
+	if (sc->aux_layer == NULL)
+		return pcb_false;
+
+	l = find_aux_line(sc->aux_layer, role);
+	if (l == NULL)
+		return pcb_false;
+
+	*x = l->Point1.X;
+	*y = l->Point1.Y;
+
+	return pcb_true;
+}
+
 int pcb_subc_get_origin(pcb_subc_t *sc, pcb_coord_t *x, pcb_coord_t *y)
 {
 	if ((pcb_subc_cache_update(sc) != 0) || (sc->aux_cache[PCB_SUBCH_ORIGIN] == NULL))
Index: trunk/src/obj_subc.h
===================================================================
--- trunk/src/obj_subc.h	(revision 14181)
+++ trunk/src/obj_subc.h	(revision 14182)
@@ -122,6 +122,11 @@
 /* Create a new point on the aux layer using a given role string in attribute */
 void pcb_subc_create_aux_point(pcb_subc_t *sc, pcb_coord_t x, pcb_coord_t y, const char *role);
 
+/* Look up an aux point and return pcb_true if found; when found, load x and y
+   with the coords of the point. */
+pcb_bool pcb_subc_find_aux_point(pcb_subc_t *sc, const char *role, pcb_coord_t *x, pcb_coord_t *y);
+
+
 /*** loops ***/
 
 #define PCB_SUBC_LOOP(top) do {                                     \