The Win32 implementations of Perl and Python more-or-less build in
direct access to all of Microsoft's Win32 API(s).  

[[more detail - what kind of interface is this?]]


Tcl does not, a crippling disadvantage in some contexts.

[[What is the proposed solution here then?]] 

However, Tcl has its own approaches, including [ffidl] ...





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The no-charge version of bcc55 [[...]]]
includes a no-charge version of a reference
to the Win32 API
[[...]].