xref: /illumos-gate/usr/src/lib/libc/port/stdio/getchar.c (revision d227ea68051b5404410ee1880d0bba1ebb33a4cc)
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 /*
31  * A subroutine version of the macro getchar.
32  */
33 
34 #include "lint.h"
35 #include "file64.h"
36 #include "mtlib.h"
37 #include <sys/types.h>
38 #include <stdio.h>
39 #include <thread.h>
40 #include <synch.h>
41 #include "stdiom.h"
42 
43 #undef getchar
44 #undef getchar_unlocked
45 
46 int
47 getchar(void)
48 {
49 	FILE *iop = stdin;
50 
51 	return (getc(iop));
52 }
53 
54 /*
55  * A subroutine version of the macro getchar_unlocked.
56  */
57 
58 int
59 getchar_unlocked(void)
60 {
61 	FILE *iop = stdin;
62 
63 	return (GETC(iop));
64 }
65