-int mbx_open (char *, int, uid_t, gid_t, mode_t);
-int mbx_read (FILE *, long, struct drop **, int);
-int mbx_write(char *, int, FILE *, int, long, long, off_t, int, int);
-int mbx_copy (char *, int, int, int, int, char *, int);
-int mbx_size (int, off_t, off_t);
-int mbx_close (char *, int);
-char *map_name (char *);
-int map_read (char *, long, struct drop **, int);
-int map_write (char *, int, int, long, off_t, off_t, long, int, int);
-int map_chk (char *, int, struct drop *, long, int);
+int mbox_open(char *, uid_t, gid_t, mode_t);
+int mbox_copy(int, int);
+int mbox_close(char *, int);