pub unsafe extern "system" fn HttpSendResponseEntityBody(
    requestqueuehandle: HANDLE,
    requestid: u64,
    flags: u32,
    entitychunkcount: u16,
    entitychunks: *const HTTP_DATA_CHUNK,
    bytessent: *mut u32,
    reserved1: *const c_void,
    reserved2: u32,
    overlapped: *mut OVERLAPPED,
    logdata: *const HTTP_LOG_DATA,
) -> u32