/* Copyright (C) 1996-2020 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 <https://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 */