/*+-------------------------------------------------------------------------	sync_Telebit() - sync modem with our DTE speed--------------------------------------------------------------------------*//*+:EDITS:*//*:09-10-1992-13:59-wht@n4hgf-ECU release 3.20 *//*:08-22-1992-15:38-wht@n4hgf-ECU release 3.20 BETA *//*:03-30-1992-14:18-root@n4hgf-add lbreak before wakeup */voidsync_Telebit(){	register int maxretry = 4;	register int count;	unsigned char rdchar;	long pace_msec_save = DCE_write_pace_msec;	while(--maxretry)	{		lbreak();		Nap(200L);		DCE_write_pace_msec = 50;		lwrite("aaaaaate1\r");		DCE_write_pace_msec = pace_msec_save;		Nap(200L);		lflush();		count = 5;		while(count)	/* wait 120-200 msec for character, depending on HZ */		{			write(dce_fd,"a",1);			ioctl(dce_fd,TCSETAW,&dce_termio);	/* wait for I/O to drain */			Nap(120L);	/* must handle 110 baud */			if(rdchk(dce_fd))				break;			count--;		}		rdchar = 0;		if(count && (read(dce_fd,&rdchar,1) == 1) && ((rdchar & 0x7F) == 'a'))		{			Nap(120L);			lflush();			return;		}		DEBUG(2,"Telebit SYNC failed ... retrying (%02x)\n",rdchar);		lflash_DTR();	}	DEBUG(1,"Telebit SYNC FAILED\n",0);	myexit(RC_FAIL | RCE_TIMOUT);}	/* end of sync_Telebit */