1 /*
2  * sim-inbyte.c -- read a character from standard input.
3  *
4  * Copyright (c) 1995, 2001 Cygnus Support
5  *
6  * The authors hereby grant permission to use, copy, modify, distribute,
7  * and license this software and its documentation for any purpose, provided
8  * that existing copyright notices are retained in all copies and that this
9  * notice is included verbatim in any distributions. No written agreement,
10  * license, or royalty fee is required for any of the authorized uses.
11  * Modifications to this software may be copyrighted by their authors
12  * and need not follow the licensing terms described here, provided that
13  * the new terms are clearly indicated on the first page of each file where
14  * they apply.
15  */
16 
17 int
inbyte()18 inbyte ()
19 {
20   char c;
21 
22   if (read (0, &c, 1) <= 0)
23     return -1;
24 
25   return c;
26 }
27