cnt = (int)data + 1;
counter = data; (*counter)++;
void modperl_restart_count_inc(server_rec *base_server){    void *data;    int cnt = 1;    apr_pool_t *p = base_server->process->pool;    apr_pool_userdata_get(&data, MP_RESTART_COUNT_KEY, p);    if (data) {        cnt = (int)data + 1;    }        apr_pool_userdata_set((const void *)cnt, MP_RESTART_COUNT_KEY,                          apr_pool_cleanup_null, p);}