64-bit fixes

[GravisZro]

Description

• Switch all the (u)long types to (u)int32_t where appropriate.
• Cleaned up the Win32 API arguments (Windows x64 build #354 beat me to it by like 12 minutes)
• Fixes the libmve code (failed to dereference the array) (moved into Fix libmve bug #359)
• Fixes the network code which was using the incorrect size due to use of "long" (moved into Replace ioctl with fcntl, fix ioctlsocket calls (64-bit fix) #356)

Pull Request Type

• GitHub Workflow changes
• Documentation or Wiki changes
• Build and Dependency changes
• Runtime changes
  • Render changes
  • Audio changes (return types are now consistent with the data format)
  • Input changes
  • Network changes
  • Other changes

Checklist

• I have tested my changes locally and verified that they work as intended.
• I have documented any new or modified functionality.
• I have reviewed the changes to ensure they do not introduce any unnecessary complexity or duplicate code.
• understand that by submitting this pull request, I am agreeing to license my contributions under the project's license.

[Lgt2x]

Any overlap with #354 ?

[GravisZro]

Any overlap with #354 ?

Yes. I suppose I'll remove the overlap.

[pzychotic]

What a timing with my stuff :)

Any overlap with #354 ?

Most stuff I touched in 6ecafd9 is done in a slightly different way.

[GravisZro]

What a timing with my stuff :)

I swear it's like any time I make a contribution that someone just MUST get in and do the same thing. sigh

[GravisZro]

@winterheart issues resolved.

[Lgt2x]

Great work, thanks! Diff looks good, I'll give it a go on Windows and let @winterheart approve additionally. Good idea to split it in multiple PR for easier reviewing