type c_ulonglong = u64;
Equivalent to C's unsigned long long type.
This type will almost always be u64, but may differ on some systems. The C standard technically only requires that this type be an unsigned integer with the size of a long long, although in practice, no system would have a long long that is not a u64, as most systems do not have a standardised u128 type.
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Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/os/raw/type.c_ulonglong.html