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#ifndef HEADER_CURL_IF2IP_H 
#define HEADER_CURL_IF2IP_H 
/*************************************************************************** 
 *                                  _   _ ____  _ 
 *  Project                     ___| | | |  _ \| | 
 *                             / __| | | | |_) | | 
 *                            | (__| |_| |  _ <| |___ 
 *                             \___|\___/|_| \_\_____| 
 * 
 * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
 * 
 * This software is licensed as described in the file COPYING, which 
 * you should have received as part of this distribution. The terms 
 * are also available at https://curl.se/docs/copyright.html.
 * 
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell 
 * copies of the Software, and permit persons to whom the Software is 
 * furnished to do so, under the terms of the COPYING file. 
 * 
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 
 * KIND, either express or implied. 
 * 
 ***************************************************************************/ 
#include "curl_setup.h" 
 
/* IPv6 address scopes. */
#define IPV6_SCOPE_GLOBAL       0       /* Global scope. */
#define IPV6_SCOPE_LINKLOCAL    1       /* Link-local scope. */
#define IPV6_SCOPE_SITELOCAL    2       /* Site-local scope (deprecated). */
#define IPV6_SCOPE_UNIQUELOCAL  3       /* Unique local */
#define IPV6_SCOPE_NODELOCAL    4       /* Loopback. */

unsigned int Curl_ipv6_scope(const struct sockaddr *sa);

typedef enum { 
  IF2IP_NOT_FOUND = 0, /* Interface not found */ 
  IF2IP_AF_NOT_SUPPORTED = 1, /* Int. exists but has no address for this af */ 
  IF2IP_FOUND = 2 /* The address has been stored in "buf" */ 
} if2ip_result_t; 
 
if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope, 
                          unsigned int local_scope_id, const char *interf,
                          char *buf, int buf_size);
 
#ifdef __INTERIX 
 
/* Nedelcho Stanev's work-around for SFU 3.0 */ 
struct ifreq { 
#define IFNAMSIZ 16 
#define IFHWADDRLEN 6 
  union { 
    char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 
  } ifr_ifrn; 
 
 union { 
   struct sockaddr ifru_addr; 
   struct sockaddr ifru_broadaddr; 
   struct sockaddr ifru_netmask; 
   struct sockaddr ifru_hwaddr; 
   short ifru_flags; 
   int ifru_metric; 
   int ifru_mtu; 
 } ifr_ifru; 
}; 
 
/* This define was added by Daniel to avoid an extra #ifdef INTERIX in the 
   C code. */ 
 
#define ifr_name ifr_ifrn.ifrn_name /* interface name */ 
#define ifr_addr ifr_ifru.ifru_addr /* address */ 
#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ 
#define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */ 
#define ifr_flags ifr_ifru.ifru_flags /* flags */ 
#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ 
#define ifr_metric ifr_ifru.ifru_metric /* metric */ 
#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ 
 
#define SIOCGIFADDR _IOW('s', 102, struct ifreq) /* Get if addr */ 
 
#endif /* __INTERIX */ 
 
#endif /* HEADER_CURL_IF2IP_H */