>In Foxtools.chm you can find few lines about this:
>
>Fll32_16.dll is used for calling 16-bit DLLs under win32s. It uses the universal thunk to call 16-bit DLLs.
>
>Ddereg.exe is used for calling 16-bit DLLs under win32. It uses DDE to call 16-bit DLLs.
>
>You can find usefull some functions in Foxtools.fll, which have no analogues in VFP 7, but some of them can be replaced with API calls:
>
>MkDir(), RmDir(), Words(), WordNum(), NextWord(), RGBComp()...
>
>THERE ARE SOME UNDOCUMENTED USEFULL FUNCTIONS ALSO.
>
>Nik

With the exception of RGBComp(), all of the above do have native language counterparts. I've docucmented every foxtools function in my Extended Foxtools help file, which is available in the download section.