1 /* Copyright (C) 1996, 1997, 1999 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, write to the Free 16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 02111-1307 USA. */ 18 19 /* Define interface to NSS. This is meant for the interface functions 20 and for implementors of new services. */ 21 22 #ifndef _NSS_H 23 #define _NSS_H 1 24 25 #include <features.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 /* 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; 49 50 __END_DECLS 51 52 #endif /* nss.h */ 53