[MSDN Library June 1998] GetFreeSpace (100%)
MSDN Library Visual Studio 6.0 > Platform SDK > Windows Base Services > General Library > Memory Management > Memory Management Reference > Memory Management Functions
[MSDN Library September 1992] GetFreeSpace (43.4578544061303%)
Product Documentation > QuickC for Windows > Windows Programming Reference > Chapter 4 Functions Directory
[MSDN Library September 1992] GetFreeSpace (40.9844054580897%)
Product Documentation > Win32 SDK for Windows NT > Programmer's Reference: API (prelim. ) > API Function Reference > G
[MSDN Library September 1992] GetFreeSpace (32.5396825396825%)
Product Documentation > Windows 3.1 SDK > Programmer's Reference Volume 2: Functions > Introduction > G