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glibc/nss/nss.h
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/* Copyright (C) 1996-2016 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
The GNU C 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 2.1 of the License, or (at your option) any later version. | |
The GNU C 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 | |
Lesser General Public License for more details. | |
You should have received a copy of the GNU Lesser General Public | |
License along with the GNU C Library; if not, see | |
<http://www.gnu.org/licenses/>. */ | |
/* Define interface to NSS. This is meant for the interface functions | |
and for implementors of new services. */ | |
#ifndef _NSS_H | |
#define _NSS_H 1 | |
#include <features.h> | |
#include <stdint.h> | |
__BEGIN_DECLS | |
/* Possible results of lookup using a nss_* function. */ | |
enum nss_status | |
{ | |
NSS_STATUS_TRYAGAIN = -2, | |
NSS_STATUS_UNAVAIL, | |
NSS_STATUS_NOTFOUND, | |
NSS_STATUS_SUCCESS, | |
NSS_STATUS_RETURN | |
}; | |
/* Data structure used for the 'gethostbyname4_r' function. */ | |
struct gaih_addrtuple | |
{ | |
struct gaih_addrtuple *next; | |
char *name; | |
int family; | |
uint32_t addr[4]; | |
uint32_t scopeid; | |
}; | |
/* Overwrite service selection for database DBNAME using specification | |
in STRING. | |
This function should only be used by system programs which have to | |
work around non-existing services (e.e., while booting). | |
Attention: Using this function repeatedly will slowly eat up the | |
whole memory since previous selection data cannot be freed. */ | |
extern int __nss_configure_lookup (const char *__dbname, | |
const char *__string) __THROW; | |
__END_DECLS | |
#endif /* nss.h */ |