Nedelcho Stanev's work-around for SFU 3.0

lib/if2ip.h

@@ -29,5 +29,40 @@ extern char *Curl_if2ip(char *interface, char *buf, int buf_size);
 #else
 #define Curl_if2ip(a,b,c) NULL
 #endif
+#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_dstaddr ifr_addr
+
+#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