In large address aware binaries, these can be > 0x7fffffff, and using
the handle functions will result in them being incorrectly extended
to 0xffffffffxxxxxxxx.

Co-authored-by: Billy Laws <blaws05@gmail.com>

Replaces bool and enum elements in syscalls with fixed sized UINT64 and UINT8 to avoid ambiguity in
size or alignment in future wow64 thunks.

Converts struct pointers in syscalls to 64bit opaque handles. This makes future wow64 thunking
simpler and should avoid dereferencing Unix pointers in the PE code.

Signed-off-by: Jeff Smith <whydoubt@gmail.com>

Signed-off-by: Torge Matthies <tmatthies@codeweavers.com>

We may always use NtCallbackReturn now.

ProcessPrng is the only publicly documented function exported by bcryptprimitives. This stub simply forwards it to RtlGenRandom in advapi32.