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/****************************************************************************

 *                                                                          *

 *                         GNAT RUN-TIME COMPONENTS                         *

 *                                                                          *

 *                              A - T R A N S                               *

 *                                                                          *

 *                          C Implementation File                           *

 *                                                                          *

 *           Copyright (C) 1992-2011, Free Software Foundation, Inc.        *

 *                                                                          *

 * GNAT is free software;  you can  redistribute it  and/or modify it under *

 * terms of the  GNU General Public License as published  by the Free Soft- *

 * ware  Foundation;  either version 3,  or (at your option) any later ver- *

 * sion.  GNAT is distributed in the hope that it will be useful, but WITH- *

 * OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY *

 * or FITNESS FOR A PARTICULAR PURPOSE.                                     *

 *                                                                          *

 * As a special exception under Section 7 of GPL version 3, you are granted *

 * additional permissions described in the GCC Runtime Library Exception,   *

 * version 3.1, as published by the Free Software Foundation.               *

 *                                                                          *

 * You should have received a copy of the GNU General Public License and    *

 * a copy of the GCC Runtime Library Exception along with this program;     *

 * see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    *

 * <http://www.gnu.org/licenses/>.                                          *

 *                                                                          *

 * GNAT was originally developed  by the GNAT team at  New York University. *

 * Extensive contributions were provided by Ada Core Technologies Inc.      *

 *                                                                          *

 ****************************************************************************/

#include <stdio.h>

#ifdef IN_RTS

#include "tconfig.h"

#include "tsystem.h"

#else

#include "config.h"

#include "system.h"

#endif

/* Don't use macros versions of this functions on VxWorks since they cause

   imcompatible changes in some VxWorks versions */

#ifdef __vxworks

#undef getchar

#undef putchar

#undef feof

#undef ferror

#undef fileno

#endif

/* Function wrappers are needed to access the values from Ada which are

   defined as C macros.  */

FILE *c_stdin (void);

FILE *c_stdout (void);

FILE *c_stderr (void);

int seek_set_function (void);

int seek_end_function (void);

void *null_function (void);

int c_fileno (FILE *);

FILE *

c_stdin (void)

{

  return stdin;

}

FILE *

c_stdout (void)

{

  return stdout;

}

FILE *

c_stderr (void)

{

  return stderr;

}

#ifndef SEEK_SET    /* Symbolic constants for the "fseek" function: */

#define SEEK_SET 0  /* Set file pointer to offset */

#define SEEK_CUR 1  /* Set file pointer to its current value plus offset */

#define SEEK_END 2  /* Set file pointer to the size of the file plus offset */

#endif

int

seek_set_function (void)

{

  return SEEK_SET;

}

int

seek_end_function (void)

{

  return SEEK_END;

}

void *null_function (void)

{

  return NULL;

}

int

c_fileno (FILE *s)

{

  return fileno (s);

}