hwaddr.h revision 21673
1/* 2 * hwaddr.h 3 * 4 * $FreeBSD: head/libexec/bootpd/hwaddr.h 21673 1997-01-14 07:20:47Z jkh $ 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 */ 17struct hwinfo { 18 unsigned int hlen; 19 char *name; 20}; 21 22extern struct hwinfo hwinfolist[]; 23extern int hwinfocnt; 24 25#ifdef __STDC__ 26#define P(args) args 27#else 28#define P(args) () 29#endif 30 31extern void setarp P((int, struct in_addr *, int, u_char *, int)); 32extern char *haddrtoa P((u_char *, int)); 33extern 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