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/* file.h - Additional file attributes
Copyright (C) 1993 Werner Almesberger <>
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, either version 3 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
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 <>.
On Debian systems, the complete text of the GNU General Public License
can be found in /usr/share/common-licenses/GPL-3 file.
#ifndef _FILE_H
#define _FILE_H
typedef enum { fdt_none,fdt_drop,fdt_undelete } FD_TYPE;
typedef struct _fptr {
char name[MSDOS_NAME];
FD_TYPE type;
struct _fptr *first; /* first entry */
struct _fptr *next; /* next file in directory */
extern FDSC *fp_root;
char *file_name(unsigned char *fixed);
/* Returns a pointer to a pretty-printed representation of a fixed MS-DOS file
name. */
int file_cvt(unsigned char *name,unsigned char *fixed);
/* Converts a pretty-printed file name to the fixed MS-DOS format. Returns a
non-zero integer on success, zero on failure. */
void file_add(char *path,FD_TYPE type);
/* Define special attributes for a path. TYPE can be either FDT_DROP or
FDSC **file_cd(FDSC **curr,char *fixed);
/* Returns a pointer to the directory descriptor of the subdirectory FIXED of
CURR, or NULL if no such subdirectory exists. */
FD_TYPE file_type(FDSC **curr,char *fixed);
/* Returns the attribute of the file FIXED in directory CURR or FDT_NONE if no
such file exists or if CURR is NULL. */
void file_modify(FDSC **curr,char *fixed);
/* Performs the necessary operation on the entry of CURR that is named FIXED. */
void file_unused(void);
/* Displays warnings for all unused file attributes. */