ngx_http_cache_valid_t 1487 http/ngx_http_file_cache.c     ngx_http_cache_valid_t  *valid;
ngx_http_cache_valid_t 1696 http/ngx_http_file_cache.c     ngx_http_cache_valid_t   *v;
ngx_http_cache_valid_t 1702 http/ngx_http_file_cache.c         *a = ngx_array_create(cf->pool, 1, sizeof(ngx_http_cache_valid_t));