Function CryptMsgCalculateEncodedLength
pub unsafe extern "system" fn CryptMsgCalculateEncodedLength(
dwmsgencodingtype: u32,
dwflags: u32,
dwmsgtype: u32,
pvmsgencodeinfo: *const c_void,
pszinnercontentobjid: PCSTR,
cbdata: u32,
) -> u32