xref: /illumos-gate/usr/src/lib/libc/port/stdio/getchar.c (revision 4fe85d41bb4eb0db41934722f4b06c8acec2d25a)
1  /*
2   * CDDL HEADER START
3   *
4   * The contents of this file are subject to the terms of the
5   * Common Development and Distribution License (the "License").
6   * You may not use this file except in compliance with the License.
7   *
8   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9   * or http://www.opensolaris.org/os/licensing.
10   * See the License for the specific language governing permissions
11   * and limitations under the License.
12   *
13   * When distributing Covered Code, include this CDDL HEADER in each
14   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15   * If applicable, add the following below this CDDL HEADER, with the
16   * fields enclosed by brackets "[]" replaced with your own identifying
17   * information: Portions Copyright [yyyy] [name of copyright owner]
18   *
19   * CDDL HEADER END
20   */
21  
22  /*
23   * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24   * Use is subject to license terms.
25   */
26  
27  /*	Copyright (c) 1988 AT&T	*/
28  /*	  All Rights Reserved  	*/
29  
30  #pragma ident	"%Z%%M%	%I%	%E% SMI"
31  
32  /*
33   * A subroutine version of the macro getchar.
34   */
35  
36  #include "lint.h"
37  #include "file64.h"
38  #include "mtlib.h"
39  #include <sys/types.h>
40  #include <stdio.h>
41  #include <thread.h>
42  #include <synch.h>
43  #include "stdiom.h"
44  
45  #undef getchar
46  #undef getchar_unlocked
47  
48  int
49  getchar(void)
50  {
51  	FILE *iop = stdin;
52  
53  	return (getc(iop));
54  }
55  
56  /*
57   * A subroutine version of the macro getchar_unlocked.
58   */
59  
60  int
61  getchar_unlocked(void)
62  {
63  	FILE *iop = stdin;
64  
65  	return (GETC(iop));
66  }
67