(modperl_request_config_t *)ap_pcalloc(r->pool, sizeof(*rcfg));
(modperl_request_config_t *)apr_pcalloc(r->pool, sizeof(*rcfg));
modperl_request_config_t *modperl_request_config_new(request_rec *r){    modperl_request_config_t *rcfg =         (modperl_request_config_t *)ap_pcalloc(r->pool, sizeof(*rcfg));    MP_TRACE_d(MP_FUNC, "0x%lx\n", (unsigned long)rcfg);    return rcfg;}