diff --git a/sys/arch/pc532/include/endian.h b/sys/arch/pc532/include/endian.h
index a9d8cb4d9429..b93c580644d8 100644
--- a/sys/arch/pc532/include/endian.h
+++ b/sys/arch/pc532/include/endian.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: endian.h,v 1.8 1995/06/18 07:13:46 phil Exp $	*/
+/*	$NetBSD: endian.h,v 1.9 1996/10/13 03:12:38 christos Exp $	*/
 
 /*
  * Copyright (c) 1987, 1991 Regents of the University of California.
@@ -57,25 +57,28 @@
 
 #include <sys/cdefs.h>
 
+typedef u_int32_t	in_addr_t;
+typedef u_int16_t	in_port_t;
+
 __BEGIN_DECLS
-unsigned long	htonl __P((unsigned long));
-unsigned short	htons __P((unsigned short));
-unsigned long	ntohl __P((unsigned long));
-unsigned short	ntohs __P((unsigned short));
+in_addr_t	htonl __P((in_addr_t));
+in_port_t	htons __P((in_port_t));
+in_addr_t	ntohl __P((in_addr_t));
+in_port_t	ntohs __P((in_port_t));
 __END_DECLS
 
 
 #ifdef __GNUC__
 
 #define __byte_swap_long_variable(x) \
-({ register unsigned long __x = (x); \
+({ register u_int32_t __x = (x); \
    __asm ("rotw 8,%1; rotd 16,%1; rotw 8,%1" \
 	: "=r" (__x) \
 	: "0" (__x)); \
    __x; })
 
 #define __byte_swap_word_variable(x) \
-({ register unsigned short __x = (x); \
+({ register u_int16_t __x = (x); \
    __asm ("rotw 8,%1" \
 	: "=r" (__x) \
 	: "0" (__x)); \
@@ -117,10 +120,10 @@ __END_DECLS
 /*
  * Macros for network/external number representation conversion.
  */
-#define	NTOHL(x)	(x) = ntohl((u_long)x)
-#define	NTOHS(x)	(x) = ntohs((u_short)x)
-#define	HTONL(x)	(x) = htonl((u_long)x)
-#define	HTONS(x)	(x) = htons((u_short)x)
+#define	NTOHL(x)	(x) = ntohl((in_addr_t)x)
+#define	NTOHS(x)	(x) = ntohs((in_port_t)x)
+#define	HTONL(x)	(x) = htonl((in_addr_t)x)
+#define	HTONS(x)	(x) = htons((in_port_t)x)
 
 #endif /* _POSIX_SOURCE */