add special case for loopback (which is _not_ a distinct interface on windows)

llarp/bencode.cpp

@@ -58,7 +58,7 @@ bencode_read_integer(struct llarp_buffer_t* buffer, uint64_t* result)
 
   buffer->cur++;
 
-  numbuf[len] = 0;
+  numbuf[len] = '\0';
   *result     = strtoull(numbuf, nullptr, 10);
   return true;
 }
@@ -75,7 +75,7 @@ bencode_read_string(llarp_buffer_t* buffer, llarp_buffer_t* result)
   if(!len)
     return false;
 
-  numbuf[len] = 0;
+  numbuf[len] = '\0';
   num         = atoi(numbuf);
   if(num < 0)
     return false;

llarp/net.cpp

@@ -753,6 +753,14 @@ llarp_getifaddr(const char* ifname, int af, struct sockaddr* addr)
 #ifndef _WIN32
   if(getifaddrs(&ifa) == -1)
 #else
+  if (!strcmp(ifname, "lo") || !strcmp(ifname, "lo0"))
+  {
+    sockaddr_in* lo = (sockaddr_in*)addr;
+    lo->sin_family  = af;
+    lo->sin_port    = 0;
+    inet_pton(af, "127.0.0.1", &lo->sin_addr);
+    return true;
+  }
   if(!getifaddrs(&ifa))
 #endif
     return false;