45 lines
992 B
C
45 lines
992 B
C
/*
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* hwaddr.h
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*
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* $FreeBSD$
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*/
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#ifndef HWADDR_H
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#define HWADDR_H
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#define MAXHADDRLEN 8 /* Max hw address length in bytes */
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/*
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* This structure holds information about a specific network type. The
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* length of the network hardware address is stored in "hlen".
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* The string pointed to by "name" is the cononical name of the network.
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*/
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struct hwinfo {
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unsigned int hlen;
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char *name;
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};
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extern struct hwinfo hwinfolist[];
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extern int hwinfocnt;
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#ifdef __STDC__
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#define P(args) args
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#else
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#define P(args) ()
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#endif
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extern void setarp P((int, struct in_addr *, int, u_char *, int));
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extern char *haddrtoa P((u_char *, int));
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extern void haddr_conv802 P((u_char *, u_char *, int));
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#undef P
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/*
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* Return the length in bytes of a hardware address of the given type.
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* Return the canonical name of the network of the given type.
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*/
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#define haddrlength(type) ((hwinfolist[(int) (type)]).hlen)
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#define netname(type) ((hwinfolist[(int) (type)]).name)
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#endif /* HWADDR_H */
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