pre_tree_handler  944 core/ngx_file.c             if (ctx->pre_tree_handler(ctx, &file) == NGX_ABORT) {
pre_tree_handler  112 core/ngx_file.h     ngx_tree_handler_pt        pre_tree_handler;
pre_tree_handler  391 http/modules/ngx_http_dav_module.c         tree.pre_tree_handler = ngx_http_dav_noop;
pre_tree_handler  773 http/modules/ngx_http_dav_module.c         tree.pre_tree_handler = ngx_http_dav_copy_dir;
pre_tree_handler 1249 http/ngx_http_file_cache.c     tree.pre_tree_handler = ngx_http_file_cache_noop;