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diff --git a/fs/fdos/fdos.h b/fs/fdos/fdos.h
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+/*
+ * (C) Copyright 2002
+ * Stubli Faverges - <www.staubli.com>
+ * Pierre AUBERT p.aubert@staubli.com
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _FDOS_H_
+#define _FDOS_H_
+
+
+#undef FDOS_DEBUG
+
+#ifdef FDOS_DEBUG
+#define PRINTF(fmt,args...) printf (fmt ,##args)
+#else
+#define PRINTF(fmt,args...)
+#endif
+
+/* Data structure describing media */
+typedef struct fs
+{
+ unsigned long tot_sectors;
+
+ int cluster_size;
+ int num_clus;
+
+ int fat_start;
+ int fat_len;
+ int nb_fat;
+ int num_fat;
+
+ int dir_start;
+ int dir_len;
+
+ unsigned char *fat_buf;
+
+} Fs_t;
+
+/* Data structure describing one file system slot */
+typedef struct slot {
+ int (*map) (struct fs *fs,
+ struct slot *file,
+ int where,
+ int *len);
+ unsigned long FileSize;
+
+ unsigned short int FirstAbsCluNr;
+ unsigned short int PreviousAbsCluNr;
+ unsigned short int PreviousRelCluNr;
+
+ Directory_t dir;
+} Slot_t;
+
+typedef struct file {
+ char *name;
+ int Case;
+ Fs_t *fs;
+ Slot_t subdir;
+ Slot_t file;
+} File_t;
+
+
+/* dev.c */
+int dev_read (void *buffer, int where, int len);
+int dev_open (void);
+int check_dev (BootSector_t *boot, Fs_t *fs);
+
+/* fat.c */
+unsigned int fat_decode (Fs_t *fs, unsigned int num);
+int read_fat (BootSector_t *boot, Fs_t *fs);
+
+/* vfat.c */
+int vfat_lookup (Slot_t *dir,
+ Fs_t *fs,
+ Directory_t *dirent,
+ int *entry,
+ int *vfat_start,
+ char *filename,
+ int flags,
+ char *outname,
+ Slot_t *file);
+
+/* subdir.c */
+char *basename (char *name);
+int open_subdir (File_t *desc);
+int open_file (Slot_t *file, Directory_t *dir);
+int read_file (Fs_t *fs,
+ Slot_t *file,
+ char *buf,
+ int where,
+ int len);
+void init_subdir (void);
+
+/* fs.c */
+int fs_init (Fs_t *fs);
+
+
+#endif
+
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