isatty.c

实用的程序代码

/*-----------------------------------------------------------------------------
//     $Date: 2002/09/16 21:19:30 $
//     $RCSfile: isatty.c,v $
//-----------------------------------------------------------------------------
//
// $xilinx_legal_disclaimer
//
//---------------------------------------------------------------------------*/

/*
 * isatty -- returns 1 if connected to a terminal device,
 *           returns 0 if not. Since we're hooked up to a
 *           serial port, we'll say yes _AND return a 1.
 */
int isatty(int fd)
{
  return (1);
}