X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=UDI%2Finclude%2Fphysio%2Fpio.h;h=1572597061420d5a4c14a3b38e7bb6708875bcf8;hb=d7dcea0e5a8df0f479e99f168a10b9a9535c7ad6;hp=aabc97f8cb1c453e85c7d4b5aa3f31e70a83be1c;hpb=9e64659133d3c12fb6e315ae8de74d9b912f90dd;p=tpg%2Facess2.git

diff --git a/UDI/include/physio/pio.h b/UDI/include/physio/pio.h
index aabc97f8..15725970 100644
--- a/UDI/include/physio/pio.h
+++ b/UDI/include/physio/pio.h
@@ -6,9 +6,9 @@
 
 #include <udi.h>
 #include <udi_physio.h>
-typedef _udi_handle_t	udi_pio_handle_t;
-/* Null handle value for udi_pio_handle_t */
-#define UDI_NULL_PIO_HANDLE	_NULL_HANDLE
+
+typedef struct udi_pio_handle_s	*udi_pio_handle_t;	// opaque
+#define UDI_NULL_PIO_HANDLE	NULL
 
 typedef void udi_pio_map_call_t(udi_cb_t *gcb, udi_pio_handle_t new_pio_handle);