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5b2abdfb 1/*-
e9ce8d39
A
2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Chris Torek.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
e9ce8d39
A
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#if defined(LIBC_SCCS) && !defined(lint)
9385eb3d 34static char sccsid[] = "@(#)getchar.c 8.1 (Berkeley) 6/4/93";
e9ce8d39 35#endif /* LIBC_SCCS and not lint */
9385eb3d 36#include <sys/cdefs.h>
1f2f436a 37__FBSDID("$FreeBSD: src/lib/libc/stdio/getchar.c,v 1.15 2008/05/05 16:03:52 jhb Exp $");
e9ce8d39 38
9385eb3d
A
39/*
40 * A subroutine version of the macro getchar.
41 */
42#include "namespace.h"
e9ce8d39 43#include <stdio.h>
9385eb3d
A
44#include "un-namespace.h"
45#include "local.h"
46#include "libc_private.h"
47
48#undef getchar
1f2f436a 49#undef getchar_unlocked
e9ce8d39
A
50
51int
9385eb3d 52getchar()
e9ce8d39 53{
9385eb3d
A
54 int retval;
55 FLOCKFILE(stdin);
3d9156a7
A
56 /* Orientation set by __sgetc() when buffer is empty. */
57 /* ORIENT(stdin, -1); */
58 retval = __sgetc(stdin);
9385eb3d
A
59 FUNLOCKFILE(stdin);
60 return (retval);
e9ce8d39 61}
1f2f436a
A
62
63int
64getchar_unlocked(void)
65{
66
67 return (__sgetc(stdin));
68}