before checking for network interfaces using if2ip(), check that the given

name isn't an ip address

lib/connect.c

@@ -213,7 +213,11 @@ static CURLcode bindlocal(struct connectdata *conn,
     char myhost[256] = "";
     in_addr_t in;
 
-    if(Curl_if2ip(data->set.device, myhost, sizeof(myhost))) {
+    /* First check if the given name is an IP address */
+    in=inet_addr(data->set.device);
+      
+    if((in == INADDR_NONE) &&
+       Curl_if2ip(data->set.device, myhost, sizeof(myhost))) {
       /*
        * We now have the numerical IPv4-style x.y.z.w in the 'myhost' buffer
        */