Function bssl_sys::ECDH_compute_key

pub unsafe extern "C" fn ECDH_compute_key(
    out: *mut c_void,
    outlen: usize,
    pub_key: *const EC_POINT,
    priv_key: *const EC_KEY,
    kdf: Option<unsafe extern "C" fn(in_: *const c_void, inlen: usize, out: *mut c_void, outlen: *mut usize) -> *mut c_void>
) -> c_int