var_code          855 http/modules/ngx_http_rewrite_module.c     ngx_http_script_var_code_t  *var_code;
var_code          866 http/modules/ngx_http_rewrite_module.c     var_code = ngx_http_script_start_code(cf->pool, &lcf->codes,
var_code          868 http/modules/ngx_http_rewrite_module.c     if (var_code == NULL) {
var_code          872 http/modules/ngx_http_rewrite_module.c     var_code->code = ngx_http_script_var_code;
var_code          873 http/modules/ngx_http_rewrite_module.c     var_code->index = index;