xref: /titanic_41/usr/src/lib/libc/port/stdio/getchar.c (revision 59ac0c1669407488b67ae9e273667a340dccc611)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*	Copyright (c) 1988 AT&T	*/
30 /*	  All Rights Reserved  	*/
31 
32 
33 /*
34  * A subroutine version of the macro getchar.
35  */
36 
37 #pragma weak getchar_unlocked = _getchar_unlocked
38 
39 #include "synonyms.h"
40 #include "file64.h"
41 #include "mtlib.h"
42 #include <sys/types.h>
43 #include <stdio.h>
44 #include <thread.h>
45 #include <synch.h>
46 #include "stdiom.h"
47 
48 #undef getchar
49 
50 #undef _getchar_unlocked
51 
52 int
53 getchar(void)
54 {
55 	FILE *iop = stdin;
56 
57 	return (getc(iop));
58 }
59 
60 /*
61  * A subroutine version of the macro getchar_unlocked.
62  */
63 
64 
65 int
66 _getchar_unlocked(void)
67 {
68 	FILE *iop = stdin;
69 
70 	return (GETC(iop));
71 }
72