1sizeof (int8_t) = 1
2sizeof (int16_t) = 2
3sizeof (int32_t) = 4
4sizeof (int64_t) = 8
5sizeof (uint8_t) = 1
6sizeof (uint16_t) = 2
7sizeof (uint32_t) = 4
8sizeof (uint64_t) = 8
9sizeof (intptr_t) = 8
10sizeof (uintptr_t) = 8
11sizeof (uchar_t) = 1
12sizeof (ushort_t) = 2
13sizeof (uint_t) = 4
14sizeof (ulong_t) = 8
15sizeof (u_longlong_t) = 8
16sizeof (ptrdiff_t) = 8
17sizeof (signed) = 4
18sizeof (unsigned) = 4
19sizeof (void) = 0
20sizeof (char) = 1
21sizeof (short) = 2
22sizeof (int) = 4
23sizeof (long) = 8
24sizeof (_Bool) = 1
25sizeof (float) = 4
26sizeof (double) = 8
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