int check_connection_completion(int fd);
int drain_rcvbuf(int fd);
void drain_fd(int fd, size_t n_packets);
+#ifndef _WIN32
int make_unix_socket(int style, bool nonblock,
const char *bind_path, const char *connect_path);
int get_unix_name_len(socklen_t sun_len);
+#endif
ovs_be32 guess_netmask(ovs_be32 ip);
int get_null_fd(void);