/usr/include/nss.h is in libc6-dev 2.24-11+deb9u4.
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 | /* 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 */
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