pub unsafe extern "system" fn CfGetPlaceholderRangeInfoForHydration(
connectionkey: CF_CONNECTION_KEY,
transferkey: i64,
fileid: i64,
infoclass: CF_PLACEHOLDER_RANGE_INFO_CLASS,
startingoffset: i64,
rangelength: i64,
infobuffer: *mut c_void,
infobuffersize: u32,
infobufferwritten: *mut u32
) -> HRESULT