-
-#ifdef HAVE_WINSOCK_H
-# define tcp_read( s, buf, len ) recv( s, buf, len, 0 )
-# define tcp_write( s, buf, len ) send( s, buf, len, 0 )
-# define ioctl( s, c, a ) ioctlsocket( (s), (c), (a) )
-# define ioctl_t u_long
-# define AC_SOCKET_INVALID ((unsigned int) ~0)
-
-# ifdef SD_BOTH
-# define tcp_close( s ) (shutdown( s, SD_BOTH ), closesocket( s ))
-# else
-# define tcp_close( s ) closesocket( s )
-# endif
-
-# define EWOULDBLOCK WSAEWOULDBLOCK
-# define EINPROGRESS WSAEINPROGRESS
-# define ETIMEDOUT WSAETIMEDOUT
-
-# undef sock_errno
-# undef sock_errstr
-# define sock_errno WSAGetLastError()
-# define sock_errstr(err) gras_wsa_err2string(err)
-
-const char *gras_wsa_err2string(int errcode);
-
-# define S_IRGRP 0
-# define S_IWGRP 0
-
-#else
-# define tcp_read( s, buf, len) read( s, buf, len )
-# define tcp_write( s, buf, len) write( s, buf, len )
-# define sock_errno errno
-# define sock_errstr(err) strerror(err)
-
-# ifdef SHUT_RDWR
-# define tcp_close( s ) (shutdown( s, SHUT_RDWR ), close( s ))
-# else
-# define tcp_close( s ) close( s )
-# endif
-#endif /* windows or unix ? */