/*
 * sim-inbyte.c -- read a character from standard input.
 *
 * Copyright (C) 2015 FTDI (support@ftdichip.com)
 *
 * The authors hereby grant permission to use, copy, modify, distribute,
 * and license this software and its documentation for any purpose, provided
 * that existing copyright notices are retained in all copies and that this
 * notice is included verbatim in any distributions. No written agreement,
 * license, or royalty fee is required for any of the authorized uses.
 * Modifications to this software may be copyrighted by their authors
 * and need not follow the licensing terms described here, provided that
 * the new terms are clearly indicated on the first page of each file where
 * they apply.
 */

int
inbyte ()
{
  char c;

  if (read (0, &c, 1) <= 0)
    return -1;

  return c;
}
