in: C:
in: One\Two\Three
out: C:\One\Two\Three
PathRemoveExtension( __inout LPTSTR pszPath )
in: C:\TEST\sample.txt
out: C:\TEST\sample
PathFindExtension( __in PTSTR pszPath )
in: C:\TEST\sample.txt
out: .txt
PathRemoveFileSpec( __inout LPTSTR pszPath )
in: C:\TEST\sample.txt
out: C:\TEST
GetSystemDirectory( __out LPTSTR lpBuffer, __in UINT uSize )
out: C:\Windows\System32
PathStripPath(__inout LPTSTR pszPath);
in: c:\\dir1\\file.txt
out: file.txt