1 /* 2 * hwaddr.h 3 * 4 * $Id$ 5 */ 6 7 #ifndef HWADDR_H 8 #define HWADDR_H 9 10 #define MAXHADDRLEN 8 /* Max hw address length in bytes */ 11 12 /* 13 * This structure holds information about a specific network type. The 14 * length of the network hardware address is stored in "hlen". 15 * The string pointed to by "name" is the cononical name of the network. 16 */ 17 struct hwinfo { 18 unsigned int hlen; 19 char *name; 20 }; 21 22 extern struct hwinfo hwinfolist[]; 23 extern int hwinfocnt; 24 25 #ifdef __STDC__ 26 #define P(args) args 27 #else 28 #define P(args) () 29 #endif 30 31 extern void setarp P((int, struct in_addr *, int, u_char *, int)); 32 extern char *haddrtoa P((u_char *, int)); 33 extern void haddr_conv802 P((u_char *, u_char *, int)); 34 35 #undef P 36 37 /* 38 * Return the length in bytes of a hardware address of the given type. 39 * Return the canonical name of the network of the given type. 40 */ 41 #define haddrlength(type) ((hwinfolist[(int) (type)]).hlen) 42 #define netname(type) ((hwinfolist[(int) (type)]).name) 43 44 #endif /* HWADDR_H */ 45