ngx_http_send_refresh 17 http/ngx_http_special_response.c static ngx_int_t ngx_http_send_refresh(ngx_http_request_t *r); ngx_http_send_refresh 418 http/ngx_http_special_response.c return ngx_http_send_refresh(r); ngx_http_send_refresh 591 http/ngx_http_special_response.c return ngx_http_send_refresh(r);