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 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
23 /* All Rights Reserved */
24
25
26 /*
27 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
28 * Use is subject to license terms.
29 */
30
31 #ifndef _SYS_UTSNAME_H
32 #define _SYS_UTSNAME_H
33
34 #include <sys/feature_tests.h>
35
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39
40 #define _SYS_NMLN 257 /* 4.0 size of utsname elements */
41 /* Must be at least 257 to */
42 /* support Internet hostnames. */
43
44 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
45 #ifndef SYS_NMLN
46 #define SYS_NMLN _SYS_NMLN
47 #endif
48 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
49
50 struct utsname {
51 char sysname[_SYS_NMLN];
52 char nodename[_SYS_NMLN];
53 char release[_SYS_NMLN];
54 char version[_SYS_NMLN];
55 char machine[_SYS_NMLN];
56 };
57
58 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
59 extern struct utsname utsname;
60 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
61
62 #if !defined(_KERNEL)
63
64 #if defined(__i386) && !defined(__amd64)
65
66 #if defined(__STDC__)
67
68 extern int uname(struct utsname *);
69 extern int _uname(struct utsname *);
70
71 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
72 extern int nuname(struct utsname *);
73 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
74 extern int _nuname(struct utsname *);
75
76 #else /* defined(__STDC__) */
77
78 extern int uname();
79 extern int _uname();
80
81 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
82 extern int nuname();
83 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
84 extern int _nuname();
85
86 #endif /* defined(__STDC__) */
87
88 /*
89 * On i386 in SVID.2 uname() returns a utsname structure with 8 byte members,
90 * and nuname() returns the real struct utsname. In SVID.3 uname and nuname
91 * are equivalent. Anyone who includes this header gets the SVID.3 behaviour.
92 * The SVID.2 behaviour exists solely for compatibility, and is what is
93 * implemented by the libc uname/_uname entrypoints.
94 */
95 #ifdef __PRAGMA_REDEFINE_EXTNAME
96 #pragma redefine_extname uname _nuname
97 #pragma redefine_extname _uname _nuname
98 #else
99 #define uname _nuname
100 #define _uname _nuname
101 #endif
102
103 #else /* defined(__i386) */
104
105 #if defined(__STDC__)
106 extern int uname(struct utsname *);
107 #else
108 extern int uname();
109 #endif /* (__STDC__) */
110
111 #endif /* defined(__i386) */
112
113 #else /* !(_KERNEL) */
114 /*
115 * Routine to retrieve the nodename as seen in the current process's zone.
116 */
117 extern char *uts_nodename(void);
118 #endif /* !(_KERNEL) */
119
120 #ifdef __cplusplus
121 }
122 #endif
123
124 #endif /* _SYS_UTSNAME_H */