1 | /* Copyright (C) 1996-2019 Free Software Foundation, Inc. |
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 |
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. |
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 |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ |
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 |
22 | #define _NSS_H 1 |
23 | |
24 | #include <features.h> |
25 | #include <stdint.h> |
26 | |
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, |
37 | NSS_STATUS_RETURN |
38 | }; |
39 | |
40 | |
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 | |
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. */ |
58 | extern int __nss_configure_lookup (const char *__dbname, |
59 | const char *__string) __THROW; |
60 | |
61 | __END_DECLS |
62 | |
63 | #endif /* nss.h */ |
64 | |