/*-------------------------------------------------------------------------
 *
 * ifaddr.h
 *	  IP netmask calculations, and enumerating network interfaces.
 *
 * Copyright (c) 2003-2017, PostgreSQL Global Development Group
 *
 * src/include/libpq/ifaddr.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef IFADDR_H
#define IFADDR_H

#include "libpq/pqcomm.h"		/* pgrminclude ignore */

typedef void (*PgIfAddrCallback) (struct sockaddr * addr,
											  struct sockaddr * netmask,
											  void *cb_data);

extern int pg_range_sockaddr(const struct sockaddr_storage * addr,
				  const struct sockaddr_storage * netaddr,
				  const struct sockaddr_storage * netmask);

extern int pg_sockaddr_cidr_mask(struct sockaddr_storage * mask,
					  char *numbits, int family);

extern int	pg_foreach_ifaddr(PgIfAddrCallback callback, void *cb_data);

#endif   /* IFADDR_H */
