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 */ 125