Function nginx::EC_KEY_METHOD_get_compute_key

pub unsafe extern "C" fn EC_KEY_METHOD_get_compute_key(
    meth: *const EC_KEY_METHOD, 
    pck: *mut Option<unsafe extern "C" fn(psec: *mut *mut c_uchar, pseclen: *mut size_t, pub_key: *const EC_POINT, ecdh: *const EC_KEY) -> c_int>
)