Index: rats_patch.h
===================================================================
--- rats_patch.h	(revision 38220)
+++ rats_patch.h	(revision 38221)
@@ -81,7 +81,16 @@
 /* Unlink n from the list; if do_free is non-zero, also free fields and n */
 void rats_patch_remove(pcb_board_t *pcb, pcb_ratspatch_line_t *n, int do_free);
 
+/**** high level calls for subc add/remove ****/
 
+/* Add a subc to the netlist patch of pcb if subc is not already on it.
+   Returns 0 on sucess.*/
+int rats_patch_add_subc(pcb_board_t *pcb, pcb_subc_t *subc);
+
+/* Remove a subc from the netlist patch of pcb if subc is referenced from the
+   netlist. Returns 0 on sucess.*/
+int rats_patch_del_subc(pcb_board_t *pcb, pcb_subc_t *subc);
+
 /**** exporter ****/
 
 typedef enum pcb_ratspatch_fmt_e {