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/* Operating system stubs, set up for the MRI simulator */

#include <_ansi.h>

#include <sys/types.h>

#include <sys/stat.h>

#include <errno.h>

int _DEFUN(_read,(file, ptr, len),

           int file _AND

           char *ptr _AND

           int len)

{

  return 0;

}

int _DEFUN(_lseek,(file, ptr, dir),

          int file _AND

          int ptr _AND

          int dir)

{

  return 0;

}

int _DEFUN(_close,(file),

          int file)

{

  return -1;

}

int isatty(file)

     int file;

{

  return 1;

}

int _DEFUN(_fstat,(file, st),

          int file _AND

          struct stat *st)

{

  st->st_mode = S_IFCHR;

  return 0;

}

int

_open (path, flags)

     const char *path;

     int flags;

{

  return 0;

}

int

_unlink (path)

     const char *path;

{

  errno = EIO;

  return -1;

}