ap_pcalloc(p, sizeof(modperl_dir_config_t));
apr_pcalloc(p, sizeof(modperl_dir_config_t));
modperl_dir_config_t *modperl_dir_config_new(ap_pool_t *p){    modperl_dir_config_t *dcfg = (modperl_dir_config_t *)        ap_pcalloc(p, sizeof(modperl_dir_config_t));    MP_TRACE_d(MP_FUNC, "0x%lx\n", (unsigned long)dcfg);    return dcfg;}