/* dup.c (emx+gcc) -- Copyright (c) 1992-1993 by Eberhard Mattes */

#include <sys/emx.h>
#include <io.h>
#include <errno.h>

int dup (int handle)
{
  int new;

  new = __dup (handle);
  if (new < 0)
    return (new);
  if (new >= _nfiles)
    {
      __close (new);
      errno = EMFILE;
      return (-1);
    }
  _files[new] = _files[handle];
  _lookahead[new] = _lookahead[handle];
  return (new);
}