compiler/posixc/fileno.c

   1 /*
   2     Copyright © 1995-2012, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     POSIX.1-2008 function fileno().
   6 */
   7
   8 #include <errno.h>
   9 #include "__stdio.h"
  10
  11 /*****************************************************************************
  12
  13     NAME */
  14 #include <stdio.h>
  15
  16         int fileno (
  17
  18 /*  SYNOPSIS */
  19         FILE *stream)
  20
  21 /*  FUNCTION
  22         Returns the descriptor associated with the stream
  23
  24     INPUTS
  25         strem - the stream to get the descriptor from
  26
  27     RESULT
  28         The integer descriptor
  29
  30     NOTES
  31
  32     EXAMPLE
  33
  34     BUGS
  35
  36     SEE ALSO
  37         open()
  38
  39     INTERNALS
  40
  41 ******************************************************************************/
  42 {
  43     if (!stream) /* safety check */
  44     {
  45         errno = EFAULT;
  46         return -1;
  47     }
  48     return stream->fd;
  49 }