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