+/* There doesn't seem to be a defined symbol for this */
+#define _WAPI_PROCESS_CURRENT (gpointer)0xFFFFFFFF
+
+/* This marks a system process that we don't have a handle on */
+/* FIXME: Cope with PIDs > sizeof guint */
+#define _WAPI_PROCESS_UNHANDLED (1 << (8*sizeof(pid_t)-1))
+#define _WAPI_PROCESS_UNHANDLED_PID_MASK (-1 & ~_WAPI_PROCESS_UNHANDLED)
+
+extern gpointer _wapi_process_duplicate (void);
+