#include <sys/types.h>
#include <stdio.h>
#include "telnet.h"char rcvbinary; /* non-zero if remote TRANSMIT-BINARY */extern u_char option_cmd;
/*ARGSUSED*/int
do_txbinary(FILE *sfp, FILE *tfp, int c)
{
if (rcvbinary) {
if (option_cmd == TCWILL)
return 0;
} elseif (option_cmd == TCWONT)
return 0;
rcvbinary = !rcvbinary;
(void) putc(TCIAC, sfp);
if (rcvbinary)
(void) putc(TCDO, sfp);
else
(void) putc(TCDONT, sfp);
(void) putc((char)c, sfp);
return 0;
}