+#define SECTOR_SIZE 512
+#define ROUND_SECTOR(x) (((x) + SECTOR_SIZE - 1) / SECTOR_SIZE)
+
+extern int opt_debug;
+extern int opt_verbose;
+extern int opt_batch_mode;
+extern int opt_force_password;
+
+/* Common tools */
+void clogger(struct crypt_device *cd, int level, const char *file, int line,
+ const char *format, ...) __attribute__ ((format (printf, 5, 6)));
+void tool_log(int level, const char *msg, void *usrptr __attribute__((unused)));
+void quiet_log(int level, const char *msg, void *usrptr);
+
+int yesDialog(const char *msg, void *usrptr __attribute__((unused)));
+void show_status(int errcode);
+const char *uuid_or_device(const char *spec);
+__attribute__ ((noreturn)) \
+void usage(poptContext popt_context, int exitcode, const char *error, const char *more);
+void dbg_version_and_cmd(int argc, const char **argv);
+int translate_errno(int r);
+
+extern volatile int quit;
+void set_int_block(int block);
+void set_int_handler(int block);
+void check_signal(int *r);
+int tools_signals_blocked(void);
+
+int tools_get_key(const char *prompt,
+ char **key, size_t *key_size,
+ size_t keyfile_offset, size_t keyfile_size_max,
+ const char *key_file,
+ int timeout, int verify, int pwquality,
+ struct crypt_device *cd);