+char *winsock_error_string(int error)
+{
+ switch (error) {
+ case WSAEACCES:
+ return "Network error: Permission denied";
+ case WSAEADDRINUSE:
+ return "Network error: Address already in use";
+ case WSAEADDRNOTAVAIL:
+ return "Network error: Cannot assign requested address";
+ case WSAEAFNOSUPPORT:
+ return
+ "Network error: Address family not supported by protocol family";
+ case WSAEALREADY:
+ return "Network error: Operation already in progress";
+ case WSAECONNABORTED:
+ return "Network error: Software caused connection abort";
+ case WSAECONNREFUSED:
+ return "Network error: Connection refused";
+ case WSAECONNRESET:
+ return "Network error: Connection reset by peer";
+ case WSAEDESTADDRREQ:
+ return "Network error: Destination address required";
+ case WSAEFAULT:
+ return "Network error: Bad address";
+ case WSAEHOSTDOWN:
+ return "Network error: Host is down";
+ case WSAEHOSTUNREACH:
+ return "Network error: No route to host";
+ case WSAEINPROGRESS:
+ return "Network error: Operation now in progress";
+ case WSAEINTR:
+ return "Network error: Interrupted function call";
+ case WSAEINVAL:
+ return "Network error: Invalid argument";
+ case WSAEISCONN:
+ return "Network error: Socket is already connected";
+ case WSAEMFILE:
+ return "Network error: Too many open files";
+ case WSAEMSGSIZE:
+ return "Network error: Message too long";
+ case WSAENETDOWN:
+ return "Network error: Network is down";
+ case WSAENETRESET:
+ return "Network error: Network dropped connection on reset";
+ case WSAENETUNREACH:
+ return "Network error: Network is unreachable";
+ case WSAENOBUFS:
+ return "Network error: No buffer space available";
+ case WSAENOPROTOOPT:
+ return "Network error: Bad protocol option";
+ case WSAENOTCONN:
+ return "Network error: Socket is not connected";
+ case WSAENOTSOCK:
+ return "Network error: Socket operation on non-socket";
+ case WSAEOPNOTSUPP:
+ return "Network error: Operation not supported";
+ case WSAEPFNOSUPPORT:
+ return "Network error: Protocol family not supported";
+ case WSAEPROCLIM:
+ return "Network error: Too many processes";
+ case WSAEPROTONOSUPPORT:
+ return "Network error: Protocol not supported";
+ case WSAEPROTOTYPE:
+ return "Network error: Protocol wrong type for socket";
+ case WSAESHUTDOWN:
+ return "Network error: Cannot send after socket shutdown";
+ case WSAESOCKTNOSUPPORT:
+ return "Network error: Socket type not supported";
+ case WSAETIMEDOUT:
+ return "Network error: Connection timed out";
+ case WSAEWOULDBLOCK:
+ return "Network error: Resource temporarily unavailable";
+ case WSAEDISCON:
+ return "Network error: Graceful shutdown in progress";
+ default:
+ return "Unknown network error";
+ }
+}
+
+SockAddr sk_namelookup(char *host, char **canonicalname)
+{