/************************************************************************/
/*			**** dosraw  ****					*/
/*									*/
/*									*/
/*	Copyright (C) Egberto Willies, 1989				*/
/*	All rights reserved.						*/
/*									*/
/************************************************************************/
/* $Header: o:/projects/commdrv/work/sources/rcs/dosraw.c 1.1 1995/02/08 22:06:10 unknown Exp $ */
/************************************************************************/
#define	FILE_DOSRAW_C
/************************************************************************/

/************************************************************************/
/*		----- Include & Module Definitions -----		*/
/************************************************************************/
#include <general.h>
#include <stdio.h>
#include <stdlib.h>
#include <dos.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <io.h>
/************************************************************************/

/************************************************************************/
/*Routine-								*/
/*	dos_raw								*/
/*Author-								*/
/*	Egberto Willies.						*/
/*Date-									*/
/*	23-Jun-1989							*/
/*Description-								*/
/*	Puts device in raw mode.					*/
/*									*/
/*Calling_Sequence-							*/
/*	stat = dosraw(dev)						*/
/*									*/
/*	char		*dev;						*/
/*		Device name.						*/
/*									*/
/*Return-								*/
/*	int		stat;						*/
/*		0 if successful.					*/
/*									*/
/*Notes-								*/
/*									*/
/************************************************************************/
dos_raw(int h)
{
union  REGS		in;
union  REGS		out;

/* Get device status word */
in.h.ah = 0x44;
in.h.al = 0x00;
in.x.bx = h;
int86(0x21,&in,&out);
if (out.x.cflag != 0)
	return(-1);

/* Put device status word */
in.h.al = 1;
in.x.dx = (out.x.dx | (1<<5)) & 0x00ff;
int86(0x21,&in,&out);
if (out.x.cflag != 0)
	return(-1);

return(0);
}
/****************************************************************/