Function CryptMsgOpenToEncode

pub unsafe fn CryptMsgOpenToEncode<P4>(
    dwmsgencodingtype: u32,
    dwflags: u32,
    dwmsgtype: CRYPT_MSG_TYPE,
    pvmsgencodeinfo: *const c_void,
    pszinnercontentobjid: P4,
    pstreaminfo: Option<*const CMSG_STREAM_INFO>,
) -> *mut c_void
where
    P4: Param<PCSTR>,