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#include <u.h>
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#include <libc.h>
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#include <ip.h>
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static uchar loopbacknet[IPaddrlen] = {
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	0, 0, 0, 0,
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	0, 0, 0, 0,
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	0, 0, 0xff, 0xff,
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	127, 0, 0, 0
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};
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static uchar loopbackmask[IPaddrlen] = {
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	0xff, 0xff, 0xff, 0xff,
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	0xff, 0xff, 0xff, 0xff,
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	0xff, 0xff, 0xff, 0xff,
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	0xff, 0, 0, 0
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};
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// find first ip addr that isn't the friggin loopback address
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// unless there are no others
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int
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myipaddr(uchar *ip, char *net)
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{
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	Ipifc *nifc;
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	Iplifc *lifc;
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	static Ipifc *ifc;
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	uchar mynet[IPaddrlen];
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	ifc = readipifc(net, ifc, -1);
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	for(nifc = ifc; nifc; nifc = nifc->next)
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		for(lifc = nifc->lifc; lifc; lifc = lifc->next){
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			maskip(lifc->ip, loopbackmask, mynet);
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			if(ipcmp(mynet, loopbacknet) == 0){
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				continue;
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			}
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			if(ipcmp(lifc->ip, IPnoaddr) != 0){
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				ipmove(ip, lifc->ip);
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				return 0;
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			}
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		}
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	ipmove(ip, IPnoaddr);
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	return -1;
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}