uCON64 Code (SVN)

- ...

- Extended the FAQ a bit with information about Windows 95 and DOSBox(-X).

- Extended the FAQ a bit with information about Windows 95 and DOSBox(-X).

- Made quick_io_func() return a more sensible value in case of a write error.

- Replaced https://pkgsrc.joyent.com with https://pkgsrc.smartos.org.

- Fixed Clang warning when configured with --enable-ppdev on x86.
- Reordered some code to handle Cygwin's -mwin32.

- Removed some redundant masking in swap functions.
- Removed redundant use of _stati64() (stat() sufficed).
- Fixed use of reserved indentifier for MinGW-w64 (renamed _truncate() to
truncate_()).
- Made it possible to detect that ucon64_fbswap16() failed.
- Made it possible to detect that ucon64_fwswap32() failed.
- Added check to quick_io_func() whether it could write the requested number of bytes.

- Updated unzip code in libdiscmage in order to address Clang warnings.
+ Updated all dependencies.
+ Did not address existing limitations or bugs.

- GCC 12 & 13 generate -Wuse-after-free when using realloc() properly. The GCC
people love this shit and ignore the specs. Clang 16 and 17 are sane. So are
Visual Studio 2015, 2019 and 2022. I will not go along: added
-Wno-use-after-free.

- Small fix for DragonFly BSD. Not needed for uCON64.