#define closesocket(s) close(s)
#define readsocket(s,b,n) read((s),(b),(n))
#define writesocket(s,b,n) write((s),(char *)(b),(n))
+#elif defined(OPENSSL_SYS_NETWARE)
+#define get_last_socket_error() WSAGetLastError()
+#define clear_socket_error() WSASetLastError(0)
+#define readsocket(s,b,n) recv((s),(b),(n),0)
+#define writesocket(s,b,n) send((s),(b),(n),0)
#else
#define get_last_socket_error() errno
#define clear_socket_error() errno=0