/* setraw.c */

#include <termios.h>
#include <unistd.h>

static struct termios ts, ots; /* ts is the new structure, ots is the old one */

setraw ( unit ) 
int unit;
{

   tcgetattr(unit,  &ts);
   ots = ts;

   ts.c_cflag |= CSTOPB; 
          /* set 2 stop bits in control flags */
   ts.c_iflag &= ~(INLCR | ICRNL | IUCLC | ISTRIP | IXON /* | BRKINT */ );
   /* c_iflag are input modes: 
	INLCR translate NL to CR on input
	ICRNL tralate cr to newline in input
	IUCLC map uppercase to lowercase on input
	ISTRIP strip off eigth bit
	IXON enable XON/XOFF
	BRKINT if INBRK not set, generate SIGINT on BREAK, or ret \0
   */
	
   ts.c_oflag &= ~OPOST;
   /* output modes: OPOST enable implementation-defined output processing */
   ts.c_lflag &= ~(ICANON | ISIG | ECHO);
   /* local modes:
      ICANON enables special charactres EOF, EOLF, EOL2, ERASE, etc.
      ISIG INRT QUIT SUSP DSUSP generate corresponding signal
      ECHO echo input characters */



   cfsetospeed(&ts,B9600);
   cfsetispeed(&ts,B9600),

   tcsetattr(unit, TCSANOW, &ts); /* set the attributes of the terminal */
}