__________Chapter 3: Win32 Implementations: A Comparative Look____ 31
mentation under Windows 95/98. Under Windows 95/98, this function returns ER-
ROR_CALL_NOT_IMPLEMENTED. As a result, there will always be a few API calls
that are not available on Windows 95/98 or are not implemented on Windows
95/98. At this point, one can only hope that Microsoft will implement the API in
Windows 95/98 when they add a new API to Windows NT unless the API is archi-
tecture dependent.
Summary
This chapter covered the WIN32 API implementation on Windows 95/98 and
Windows NT. We discussed the differences between these two implementations
with respect to address space, process startup, toolhelp functions, multitasking,
thunking, device drivers, security, and newly added API calls.
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