#ifndef _LINUX_NTP_INTERNAL_H #define _LINUX_NTP_INTERNAL_H extern void ntp_init(void); extern void ntp_clear(void); /* Returns how long ticks are at present, in ns / 2^NTP_SCALE_SHIFT. */ extern u64 ntp_tick_length(void); extern int second_overflow(unsigned long secs); extern int __do_adjtimex(struct timex *); extern void __hardpps(const struct timespec *, const struct timespec *); #endif /* _LINUX_NTP_INTERNAL_H */