Module clock

Below is a list of all functions:

• double clock_realtime(void)
• double clock_monotonic(void)
• double clock_process(void)
• double clock_thread(void)
• int64_t clock_realtime64(void)
• int64_t clock_monotonic64(void)
• int64_t clock_process64(void)
• int64_t clock_thread64(void)