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        memset(&dcb, 0, sizeof(DCB));
        dcb.DCBlength=sizeof(DCB);
       
        dcb.fBinary=1;
//        dcb.fParity=0;
//        dcb.fOutxCtsFlow=0;
//        dcb.fOutxDsrFlow=0;
        dcb.fDtrControl = 0; // +power
//        dcb.fDsrSensitivity=0;
//        dcb.fTXContinueOnXoff=0;
//        dcb.fOutX=0;
//        dcb.fInX=0;
//        dcb.fErrorChar=0;
        dcb.fRtsControl = 1; // -power
//      dcb.fNull=0;
//      dcb.fAbortOnError=0;

        dcb.ByteSize=8;
        dcb.Parity=NOPARITY;
        dcb.StopBits=TWOSTOPBITS;
        dcb.BaudRate=BaudRate;

        if (!SetCommState(h,&dcb)) {
          CloseHandle(h);
          return FALSE;
        }

HANDLE open_and_configure(char *port, int baudrate)
posix_close(HANDLE)
posix_read(HANDLE, char *buf, int count)
posix_write(HANDLE, char *buf, int count)

/* Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING.  If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.  */

/* As a special exception, if you include this header file into source
   files compiled by GCC, this header file does not by itself cause
   the resulting executable to be covered by the GNU General Public
   License.  This exception does not however invalidate any other
   reasons why the executable file might be covered by the GNU General
   Public License.  */

/*
* ISO C Standard:  7.16  Boolean type and values  <stdbool.h>
*/

#ifndef _STDBOOL_H
#define _STDBOOL_H

#ifndef __cplusplus

#define bool    _Bool
#define true    1
#define false   0

#else /* __cplusplus */

/* Supporting <stdbool.h> in C++ is a GCC extension.  */
#define _Bool   bool
#define bool    bool
#define false   false
#define true    true

#endif /* __cplusplus */

/* Signal that all the definitions are present.  */
#define __bool_true_false_are_defined   1

#endif  /* stdbool.h */

#define _Bool   bool