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04277e02 | 1 | /* Copyright (C) 1996-2019 Free Software Foundation, Inc. |
7e3be507 UD |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
7e3be507 UD |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
7e3be507 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
a8874ead UD |
17 | |
18 | /* Define interface to NSS. This is meant for the interface functions | |
19 | and for implementors of new services. */ | |
20 | ||
21 | #ifndef _NSS_H | |
a8874ead | 22 | #define _NSS_H 1 |
5107cf1d | 23 | |
a8874ead | 24 | #include <features.h> |
1eb946b9 | 25 | #include <stdint.h> |
a8874ead | 26 | |
a8874ead UD |
27 | |
28 | __BEGIN_DECLS | |
29 | ||
30 | /* Possible results of lookup using a nss_* function. */ | |
31 | enum nss_status | |
32 | { | |
33 | NSS_STATUS_TRYAGAIN = -2, | |
34 | NSS_STATUS_UNAVAIL, | |
35 | NSS_STATUS_NOTFOUND, | |
36 | NSS_STATUS_SUCCESS, | |
a68b0d31 | 37 | NSS_STATUS_RETURN |
a8874ead UD |
38 | }; |
39 | ||
40 | ||
1eb946b9 UD |
41 | /* Data structure used for the 'gethostbyname4_r' function. */ |
42 | struct gaih_addrtuple | |
43 | { | |
44 | struct gaih_addrtuple *next; | |
45 | char *name; | |
46 | int family; | |
47 | uint32_t addr[4]; | |
48 | uint32_t scopeid; | |
49 | }; | |
50 | ||
51 | ||
a8874ead UD |
52 | /* Overwrite service selection for database DBNAME using specification |
53 | in STRING. | |
54 | This function should only be used by system programs which have to | |
55 | work around non-existing services (e.e., while booting). | |
56 | Attention: Using this function repeatedly will slowly eat up the | |
57 | whole memory since previous selection data cannot be freed. */ | |
a784e502 UD |
58 | extern int __nss_configure_lookup (const char *__dbname, |
59 | const char *__string) __THROW; | |
a8874ead UD |
60 | |
61 | __END_DECLS | |
62 | ||
63 | #endif /* nss.h */ |