int fchmod_umask(int fd, mode_t mode);
-int conf_files_list(char ***strv, const char *suffix, const char *dir, ...);
-int conf_files_list_strv(char ***strv, const char *suffix, const char **dirs);
-
int hwclock_is_localtime(void);
int hwclock_apply_localtime_delta(int *min);
int hwclock_reset_localtime_delta(void);