+# define close close_used_without_including_unistd_h
+# else
+ _GL_WARN_ON_USE (close,
+ "close() used without including <unistd.h>");
+# endif
+#endif
+
+#if @HAVE_WINSOCK2_H@ && !defined _GL_UNISTD_H
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef gethostname
+# define gethostname gethostname_used_without_including_unistd_h
+# else
+ _GL_WARN_ON_USE (gethostname,
+ "gethostname() used without including <unistd.h>");
+# endif
+#endif
+
+#if @GNULIB_SOCKET@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef socket
+# define socket rpl_socket
+# endif
+_GL_FUNCDECL_RPL (socket, int, (int domain, int type, int protocol));
+_GL_CXXALIAS_RPL (socket, int, (int domain, int type, int protocol));
+# else
+_GL_CXXALIAS_SYS (socket, int, (int domain, int type, int protocol));
+# endif
+_GL_CXXALIASWARN (socket);
+#elif @HAVE_WINSOCK2_H@
+# undef socket
+# define socket socket_used_without_requesting_gnulib_module_socket
+#elif defined GNULIB_POSIXCHECK
+# undef socket
+# if HAVE_RAW_DECL_SOCKET
+_GL_WARN_ON_USE (socket, "socket is not always POSIX compliant - "
+ "use gnulib module socket for portability");
+# endif
+#endif
+
+#if @GNULIB_CONNECT@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef connect
+# define connect rpl_connect
+# endif
+_GL_FUNCDECL_RPL (connect, int,
+ (int fd, const struct sockaddr *addr, socklen_t addrlen)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (connect, int,
+ (int fd, const struct sockaddr *addr, socklen_t addrlen));
+# else
+_GL_CXXALIAS_SYS (connect, int,
+ (int fd, const struct sockaddr *addr, socklen_t addrlen));
+# endif
+_GL_CXXALIASWARN (connect);
+#elif @HAVE_WINSOCK2_H@
+# undef connect
+# define connect socket_used_without_requesting_gnulib_module_connect
+#elif defined GNULIB_POSIXCHECK
+# undef connect
+# if HAVE_RAW_DECL_CONNECT
+_GL_WARN_ON_USE (connect, "connect is not always POSIX compliant - "
+ "use gnulib module connect for portability");
+# endif
+#endif
+
+#if @GNULIB_ACCEPT@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef accept
+# define accept rpl_accept
+# endif
+_GL_FUNCDECL_RPL (accept, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+_GL_CXXALIAS_RPL (accept, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+# else
+/* Need to cast, because on Solaris 10 systems, the third parameter is
+ void *addrlen. */
+_GL_CXXALIAS_SYS_CAST (accept, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+# endif
+_GL_CXXALIASWARN (accept);
+#elif @HAVE_WINSOCK2_H@
+# undef accept
+# define accept accept_used_without_requesting_gnulib_module_accept
+#elif defined GNULIB_POSIXCHECK
+# undef accept
+# if HAVE_RAW_DECL_ACCEPT
+_GL_WARN_ON_USE (accept, "accept is not always POSIX compliant - "
+ "use gnulib module accept for portability");
+# endif
+#endif
+
+#if @GNULIB_BIND@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef bind
+# define bind rpl_bind
+# endif
+_GL_FUNCDECL_RPL (bind, int,
+ (int fd, const struct sockaddr *addr, socklen_t addrlen)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (bind, int,
+ (int fd, const struct sockaddr *addr, socklen_t addrlen));
+# else
+_GL_CXXALIAS_SYS (bind, int,
+ (int fd, const struct sockaddr *addr, socklen_t addrlen));
+# endif
+_GL_CXXALIASWARN (bind);
+#elif @HAVE_WINSOCK2_H@
+# undef bind
+# define bind bind_used_without_requesting_gnulib_module_bind
+#elif defined GNULIB_POSIXCHECK
+# undef bind
+# if HAVE_RAW_DECL_BIND
+_GL_WARN_ON_USE (bind, "bind is not always POSIX compliant - "
+ "use gnulib module bind for portability");
+# endif
+#endif
+
+#if @GNULIB_GETPEERNAME@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getpeername
+# define getpeername rpl_getpeername
+# endif
+_GL_FUNCDECL_RPL (getpeername, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen)
+ _GL_ARG_NONNULL ((2, 3)));
+_GL_CXXALIAS_RPL (getpeername, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+# else
+/* Need to cast, because on Solaris 10 systems, the third parameter is
+ void *addrlen. */
+_GL_CXXALIAS_SYS_CAST (getpeername, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+# endif
+_GL_CXXALIASWARN (getpeername);
+#elif @HAVE_WINSOCK2_H@
+# undef getpeername
+# define getpeername getpeername_used_without_requesting_gnulib_module_getpeername
+#elif defined GNULIB_POSIXCHECK
+# undef getpeername
+# if HAVE_RAW_DECL_GETPEERNAME
+_GL_WARN_ON_USE (getpeername, "getpeername is not always POSIX compliant - "
+ "use gnulib module getpeername for portability");
+# endif
+#endif
+
+#if @GNULIB_GETSOCKNAME@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getsockname
+# define getsockname rpl_getsockname
+# endif
+_GL_FUNCDECL_RPL (getsockname, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen)
+ _GL_ARG_NONNULL ((2, 3)));
+_GL_CXXALIAS_RPL (getsockname, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+# else
+/* Need to cast, because on Solaris 10 systems, the third parameter is
+ void *addrlen. */
+_GL_CXXALIAS_SYS_CAST (getsockname, int,
+ (int fd, struct sockaddr *addr, socklen_t *addrlen));
+# endif
+_GL_CXXALIASWARN (getsockname);
+#elif @HAVE_WINSOCK2_H@
+# undef getsockname
+# define getsockname getsockname_used_without_requesting_gnulib_module_getsockname
+#elif defined GNULIB_POSIXCHECK
+# undef getsockname
+# if HAVE_RAW_DECL_GETSOCKNAME
+_GL_WARN_ON_USE (getsockname, "getsockname is not always POSIX compliant - "
+ "use gnulib module getsockname for portability");
+# endif
+#endif
+
+#if @GNULIB_GETSOCKOPT@
+# if @HAVE_WINSOCK2_H@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getsockopt
+# define getsockopt rpl_getsockopt
+# endif
+_GL_FUNCDECL_RPL (getsockopt, int, (int fd, int level, int optname,
+ void *optval, socklen_t *optlen)
+ _GL_ARG_NONNULL ((4, 5)));
+_GL_CXXALIAS_RPL (getsockopt, int, (int fd, int level, int optname,
+ void *optval, socklen_t *optlen));
+# else
+/* Need to cast, because on Solaris 10 systems, the fifth parameter is
+ void *optlen. */
+_GL_CXXALIAS_SYS_CAST (getsockopt, int, (int fd, int level, int optname,
+ void *optval, socklen_t *optlen));
+# endif
+_GL_CXXALIASWARN (getsockopt);
+#elif @HAVE_WINSOCK2_H@
+# undef getsockopt
+# define getsockopt getsockopt_used_without_requesting_gnulib_module_getsockopt
+#elif defined GNULIB_POSIXCHECK
+# undef getsockopt
+# if HAVE_RAW_DECL_GETSOCKOPT
+_GL_WARN_ON_USE (getsockopt, "getsockopt is not always POSIX compliant - "
+ "use gnulib module getsockopt for portability");
+# endif
+#endif