Function bssl_sys::BIO_meth_set_ctrl

pub unsafe extern "C" fn BIO_meth_set_ctrl(
    method: *mut BIO_METHOD,
    ctrl: Option<unsafe extern "C" fn(arg1: *mut BIO, arg2: c_int, arg3: c_long, arg4: *mut c_void) -> c_long>
) -> c_int