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[glibc.git] / nss / nss.h
blob02b9c5d96b4b74e4cf76ba69ada45cb9f3e85ce2
1 /* Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
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 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
19 /* Define interface to NSS. This is meant for the interface functions
20 and for implementors of new services. */
22 #ifndef _NSS_H
23 #define _NSS_H 1
25 #include <features.h>
28 __BEGIN_DECLS
30 /* Possible results of lookup using a nss_* function. */
31 enum nss_status
33 NSS_STATUS_TRYAGAIN = -2,
34 NSS_STATUS_UNAVAIL,
35 NSS_STATUS_NOTFOUND,
36 NSS_STATUS_SUCCESS,
37 NSS_STATUS_RETURN
41 /* Overwrite service selection for database DBNAME using specification
42 in STRING.
43 This function should only be used by system programs which have to
44 work around non-existing services (e.e., while booting).
45 Attention: Using this function repeatedly will slowly eat up the
46 whole memory since previous selection data cannot be freed. */
47 extern int __nss_configure_lookup (__const char *__dbname,
48 __const char *__string) __THROW;
50 __END_DECLS
52 #endif /* nss.h */