Index: global_typedefs.h
===================================================================
--- global_typedefs.h	(revision 8994)
+++ global_typedefs.h	(revision 8995)
@@ -49,6 +49,8 @@
 typedef struct pcb_subc_s pcb_subc_t;
 typedef struct pcb_text_s pcb_text_t;
 
+typedef union pcb_parent_s pcb_parent_t;
+
 typedef struct pcb_plug_io_s pcb_plug_io_t;
 
 typedef unsigned int pcb_cardinal_t;