nss/nss.h

   1 /* Copyright (C) 1996 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 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.
   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    Library General Public License for more details.
  13
  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.  */
  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
  24 #define _NSS_H  1
  25 #include <features.h>
  26
  27 /* Revision number of NSS interface (must be a string).  */
  28 #define NSS_SHLIB_REVISION ".1"
  29
  30
  31 __BEGIN_DECLS
  32
  33 /* Possible results of lookup using a nss_* function.  */
  34 enum nss_status
  35 {
  36   NSS_STATUS_TRYAGAIN = -2,
  37   NSS_STATUS_UNAVAIL,
  38   NSS_STATUS_NOTFOUND,
  39   NSS_STATUS_SUCCESS,
  40   NSS_STATUS_RETURN
  41 };
  42
  43
  44 /* Overwrite service selection for database DBNAME using specification
  45    in STRING.
  46    This function should only be used by system programs which have to
  47    work around non-existing services (e.e., while booting).
  48    Attention: Using this function repeatedly will slowly eat up the
  49    whole memory since previous selection data cannot be freed.  */
  50 extern int __nss_configure_lookup __P ((__const char *__dbname,
  51                                         __const char *__string));
  52
  53 __END_DECLS
  54
  55 #endif /* nss.h */