text: /* Copyright (C) 2000, 2005 Free Software Foundation, Inc.
     This file is part of the GNU C Library.
  
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published
     by the Free Software Foundation; version 2 of the License, or
     (at your option) any later version.
  
     This program 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 General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program; if not, see <http://www.gnu.org/licenses/>.  */
  
  #ifndef _CHARMAP_DIR_H
  #define _CHARMAP_DIR_H 1
  
  /* The data type of a charmap directory being traversed.  */
  typedef struct charmap_dir CHARMAP_DIR;
  
  /* Starts a charmap directory traversal.
     Returns a CHARMAP_DIR, or NULL if the directory doesn't exist.  */
  extern CHARMAP_DIR *charmap_opendir (const char *directory);
  
  /* Reads the next directory entry.
     Returns its charmap name, or NULL if past the last entry or upon error.
     The storage returned may be overwritten by a later charmap_readdir
     call on the same CHARMAP_DIR.  */
  extern const char *charmap_readdir (CHARMAP_DIR *dir);
  
  /* Finishes a charmap directory traversal, and frees the resources
     attached to the CHARMAP_DIR.  */
  extern int charmap_closedir (CHARMAP_DIR *dir);
  
  /* Returns a NULL terminated list of alias names of a charmap.  */
  extern char **charmap_aliases (const char *directory, const char *name);
  
  /* Frees an alias list returned by charmap_aliases.  */
  extern void charmap_free_aliases (char **aliases);
  
  /* Opens a charmap for reading, given its name (not an alias name).  */
  extern FILE *charmap_open (const char *directory, const char *name);
  
  #endif /* _CHARMAP_DIR_H */
  