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-rw-r--r--sunrpc/rpc/xdr.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sunrpc/rpc/xdr.h b/sunrpc/rpc/xdr.h
index d0ab0d0cf6..2c6522d849 100644
--- a/sunrpc/rpc/xdr.h
+++ b/sunrpc/rpc/xdr.h
@@ -288,6 +288,7 @@ extern bool_t xdr_reference __P ((XDR * __xdrs, caddr_t * __pp, u_int __size,
 extern bool_t xdr_pointer __P ((XDR * __xdrs, char **__objpp,
 				u_int __obj_size, xdrproc_t __xdr_obj));
 extern bool_t xdr_wrapstring __P ((XDR * __xdrs, char **__cpp));
+extern u_long xdr_sizeof __P ((xdrproc_t, void *));
 
 /*
  * Common opaque bytes objects used by many rpc protocols;