Windows X64 problem

[Laro88]

The __builtin_bswap64 causes problems on Windows (Visual Studio 2022 with cpp 20)
_byteswap_uint64 seems like a solution to this, but I haven't tried yet - will do in a couple of days.
Regards

[Hurde]

i sucessfully build it, using _byteswap_uint64.

And so far it works good.