/usr/include/GNUstep/Foundation/NSHost.h is in libgnustep-base-dev 1.22.1-4+deb7u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | /* Interface for host class
Copyright (C) 1996, 1997 Free Software Foundation, Inc.
Written by: Luke Howard <lukeh@xedoc.com.au>
Date: 1996
This file is part of the GNUstep Base Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02111 USA.
*/
#ifndef __NSHost_h_GNUSTEP_BASE_INCLUDE
#define __NSHost_h_GNUSTEP_BASE_INCLUDE
#import <GNUstepBase/GSVersionMacros.h>
#import <Foundation/NSObject.h>
#if defined(__cplusplus)
extern "C" {
#endif
@class NSString, NSArray, NSSet;
/**
* Instances of this class encapsulate host information. Constructors based
* on host name or numeric address are provided.
*/
@interface NSHost : NSObject
{
#if GS_EXPOSE(NSHost)
@private
NSSet *_names;
NSSet *_addresses;
#endif
#if GS_NONFRAGILE
#else
/* Pointer to private additional data used to avoid breaking ABI
* when we don't have the non-fragile ABI available.
* Use this mechanism rather than changing the instance variable
* layout (see Source/GSInternal.h for details).
*/
@private id _internal GS_UNUSED_IVAR;
#endif
}
/**
* Get current host object.
*/
+ (NSHost*) currentHost;
/**
* Get info for host with given DNS name.
*/
+ (NSHost*) hostWithName: (NSString*)name;
/**
* Get a host object. Hosts are cached for efficiency. The address
* must be an IPV4 "dotted decimal" string, e.g.
<example>
NSHost aHost = [NSHost hostWithAddress:@"192.42.172.1"];
</example>
*/
+ (NSHost*) hostWithAddress: (NSString*)address;
/**
* Set host cache management.
* If enabled, only one object representing each host will be created, and
* a shared instance will be returned by all methods that return a host.
*/
+ (void) setHostCacheEnabled: (BOOL)flag;
/**
* Return host cache management.
* If enabled, only one object representing each host will be created, and
* a shared instance will be returned by all methods that return a host.
*/
+ (BOOL) isHostCacheEnabled;
/**
* Clear cache of host info instances.
*/
+ (void) flushHostCache;
/**
* Compare hosts.
* Hosts are equal if they share at least one address
*/
- (BOOL) isEqualToHost: (NSHost*) aHost;
/**
* Return host name. Chosen arbitrarily if a host has more than one.
*/
- (NSString*) name;
/**
* Return all known names for host.
*/
- (NSArray*) names;
/**
* Return host address in "dotted decimal" notation, e.g. "192.42.172.1".
* Chosen arbitrarily if a host has more than one.
*/
- (NSString*) address;
/**
* Return all known addresses for host in "dotted decimal" notation,
* e.g. "192.42.172.1".
*/
- (NSArray*) addresses;
@end
#if GS_API_VERSION(GS_API_NONE,011700)
/**
* Adds synonym for +currentHost.
*/
@interface NSHost (GNUstep)
/**
* Synonym for +currentHost.
*/
+ (NSHost*) localHost; /* All local IP addresses */
@end
#endif
#if defined(__cplusplus)
}
#endif
#endif
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