ngx_http_userid_set  189 http/modules/ngx_http_userid_filter_module.c static ngx_str_t  ngx_http_userid_set = ngx_string("uid_set");
ngx_http_userid_set  580 http/modules/ngx_http_userid_filter_module.c     var = ngx_http_add_variable(cf, &ngx_http_userid_set, 0);