47 lines
1.9 KiB
C
47 lines
1.9 KiB
C
/* Copyright (C) 2000-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published
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by the Free Software Foundation; version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <https://www.gnu.org/licenses/>. */
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#ifndef _CHARMAP_DIR_H
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#define _CHARMAP_DIR_H 1
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/* The data type of a charmap directory being traversed. */
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typedef struct charmap_dir CHARMAP_DIR;
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/* Starts a charmap directory traversal.
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Returns a CHARMAP_DIR, or NULL if the directory doesn't exist. */
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extern CHARMAP_DIR *charmap_opendir (const char *directory);
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/* Reads the next directory entry.
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Returns its charmap name, or NULL if past the last entry or upon error.
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The storage returned may be overwritten by a later charmap_readdir
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call on the same CHARMAP_DIR. */
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extern const char *charmap_readdir (CHARMAP_DIR *dir);
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/* Finishes a charmap directory traversal, and frees the resources
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attached to the CHARMAP_DIR. */
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extern int charmap_closedir (CHARMAP_DIR *dir);
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/* Returns a NULL terminated list of alias names of a charmap. */
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extern char **charmap_aliases (const char *directory, const char *name);
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/* Frees an alias list returned by charmap_aliases. */
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extern void charmap_free_aliases (char **aliases);
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/* Opens a charmap for reading, given its name (not an alias name). */
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extern FILE *charmap_open (const char *directory, const char *name);
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#endif /* _CHARMAP_DIR_H */
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