Function matchnet

ip_addr.h:223–240

! \brief returns 1 if ip & net.mask == net.ip ; 0 otherwise & -1 on error [ diff. address families ]) */

/*! \brief returns 1 if ip & net.mask == net.ip ; 0 otherwise & -1 on error
	[ diff. address families ]) */
inline static int matchnet(struct ip_addr* ip, struct net* net)
{
	unsigned int r;
/* int ret;

	ret=-1; */
	if (ip->af == net->ip.af){
		for(r=0; r<ip->len/4; r++){ /* ipv4 & ipv6 addresses are
									   all multiple of 4*/
			if ((ip->u.addr32[r]&net->mask.u.addr32[r])!=
														 net->ip.u.addr32[r]){
				return 0;
			}
		}
		return 1;
	};
	return -1;
}