37 lines
1.0 KiB
C
37 lines
1.0 KiB
C
/* $Id: getifaddr.h,v 1.11 2018/07/06 11:47:29 nanard Exp $ */
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/* vim: tabstop=4 shiftwidth=4 noexpandtab
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* MiniUPnP project
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* http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
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* (c) 2006-2018 Thomas Bernard
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* This software is subject to the conditions detailed
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* in the LICENCE file provided within the distribution */
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#ifndef GETIFADDR_H_INCLUDED
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#define GETIFADDR_H_INCLUDED
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struct in_addr;
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struct in6_addr;
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/* getifaddr()
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* take a network interface name and write the
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* ip v4 address as text in the buffer
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* returns: 0 success, -1 failure */
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int
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getifaddr(const char * ifname, char * buf, int len,
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struct in_addr * addr, struct in_addr * mask);
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int
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getifaddr_in6(const char * ifname, int af, struct in6_addr* addr);
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/* find a non link local IP v6 address for the interface.
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* if ifname is NULL, look for all interfaces */
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int
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find_ipv6_addr(const char * ifname,
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char * dst, int n);
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/* check if address is in private / reserved block (e.g. local area network) */
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int
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addr_is_reserved(struct in_addr * addr);
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#endif
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