Type Definition CCODE::PFN_CMSG_CNG_IMPORT_CONTENT_ENCRYPT_KEY

type PFN_CMSG_CNG_IMPORT_CONTENT_ENCRYPT_KEY = Option<unsafe extern "C" fn(pCNGContentDecryptInfo: PCMSG_CNG_CONTENT_DECRYPT_INFO, dwFlags: DWORD, pvReserved: *mut c_void) -> BOOL>;