Function PathRelativePathToA 

pub unsafe fn PathRelativePathToA<P1, P3>(
    pszpath: &mut [u8; 260],
    pszfrom: P1,
    dwattrfrom: u32,
    pszto: P3,
    dwattrto: u32,
) -> BOOL
where
    P1: Param<PCSTR>,
    P3: Param<PCSTR>,