1def localtime():
2    pass
3
4
5def mktime():
6    pass
7
8
9def sleep():
10    pass
11
12
13def sleep_ms():
14    pass
15
16
17def sleep_us():
18    pass
19
20
21def ticks_add():
22    pass
23
24
25def ticks_cpu():
26    pass
27
28
29def ticks_diff():
30    pass
31
32
33def ticks_ms():
34    pass
35
36
37def ticks_us():
38    pass
39
40
41def time():
42    pass
43