--- Gnu-Mach/device/if_ether.h	2020/09/02 04:43:03	1.1.1.2
+++ Gnu-Mach/device/if_ether.h	2020/09/02 04:47:55	1.1.1.4
@@ -45,13 +45,8 @@ struct	ether_header {
 	u_short	ether_type;
 };
 
-#define	ETHERMTU	1500
-#define	ETHERMIN	(60-14)
-
 #ifdef	KERNEL
-u_char	etherbroadcastaddr[6];
-
-extern char *	ether_sprintf();
+extern char *	ether_sprintf(const u_char *);
 #endif	/* KERNEL */
 
 #endif	/*_DEVICE_IF_ETHER_H_*/