diff -rN -p -u old-gnumach/include/sys/types.h new-gnumach-1/include/sys/types.h
--- old-gnumach/include/sys/types.h	2008-07-18 11:26:49.000000000 -0400
+++ new-gnumach-1/include/sys/types.h	2008-07-18 11:26:50.000000000 -0400
@@ -33,6 +33,12 @@
 typedef natural_t size_t;
 #endif
 
+#define __P(protos)     protos          /* full-blown ANSI C */
+#define __CONCAT1(x,y)  x ## y
+#define __CONCAT(x,y)   __CONCAT1(x,y)
+#define __STRING(x)     #x              /* stringify without expanding x */
+#define __XSTRING(x)    __STRING(x)     /* expand x, then stringify */
+
 #ifndef _SSIZE_T
 #define _SSIZE_T
 typedef integer_t ssize_t;
@@ -58,6 +64,20 @@ typedef	unsigned int	time_t;
 
 #define RAND_MAX	0x7fffffff
 
+/* Posix types */
+typedef signed8_t	int8_t;
+typedef unsigned8_t	uint8_t;
+typedef unsigned8_t	u_int8_t;
+typedef signed16_t	int16_t;
+typedef unsigned16_t	uint16_t;
+typedef unsigned16_t	u_int16_t;
+typedef signed32_t	int32_t;
+typedef unsigned32_t	uint32_t;
+typedef unsigned32_t	u_int32_t;
+typedef signed64_t	int64_t;
+typedef unsigned64_t	uint64_t;
+typedef unsigned64_t	u_int64_t;
+
 /* Symbols not allowed by POSIX */
 #ifndef _POSIX_SOURCE