14 static Socket s
= NULL
;
16 static void raw_size(void);
18 static int sb_opt
, sb_len
;
19 static char *sb_buf
= NULL
;
20 static int sb_size
= 0;
23 static void c_write (char *buf
, int len
) {
24 from_backend(0, buf
, len
);
27 static int raw_closing (Plug plug
, char *error_msg
, int error_code
, int calling_back
) {
31 /* A socket error has occurred. */
32 connection_fatal (error_msg
);
33 } /* Otherwise, the remote side closed the connection normally. */
37 static int raw_receive (Plug plug
, int urgent
, char *data
, int len
) {
43 * Called to set up the raw connection.
45 * Returns an error message, or NULL on success.
47 * Also places the canonical host name into `realhost'.
49 static char *raw_init (char *host
, int port
, char **realhost
) {
50 static struct plug_function_table fn_table
= {
53 }, *fn_table_ptr
= &fn_table
;
61 addr
= sk_namelookup(host
, realhost
);
62 if ( (err
= sk_addr_error(addr
)) )
66 port
= 23; /* default telnet port */
71 s
= sk_new(addr
, port
, 0, 1, &fn_table_ptr
);
72 if ( (err
= sk_socket_error(s
)) )
81 * Called to send data down the raw connection.
83 static void raw_send (char *buf
, int len
) {
88 sk_write(s
, buf
, len
);
92 * Called to set the size of the window
94 static void raw_size(void) {
100 * Send raw special codes.
102 static void raw_special (Telnet_Special code
) {
107 static Socket
raw_socket(void) { return s
; }
109 static int raw_sendok(void) { return 1; }
111 static int raw_ldisc(int option
) {
112 if (option
== LD_EDIT
|| option
== LD_ECHO
)
117 Backend raw_backend
= {