pub unsafe extern "system" fn CryptMsgCountersign(
    hcryptmsg: *const c_void,
    dwindex: u32,
    ccountersigners: u32,
    rgcountersigners: *const CMSG_SIGNER_ENCODE_INFO
) -> BOOL
Expand description

Required features: "Win32_Security_Cryptography", "Win32_Foundation"