#!/usr/bin/env qjs
///@ts-check
/// <reference path="../doc/globals.d.ts" />
/// <reference path="../doc/os.d.ts" />
import * as os from "os";
/** @template T @param {os.Result<T>} result */
function must(result) {
    if (typeof result === "number" && result < 0) throw result;
    return /** @type {T} */ (result)
}

const sockfd = must(os.socket(os.AF_INET, os.SOCK_STREAM));
const addr = os.getaddrinfo("bellard.org",'80').find(a => a.family == os.AF_INET);
await os.connect(sockfd, addr);
const httpReq = Uint8Array.from("GET / HTTP/1.0\r\n\r\n", c => c.charCodeAt(0))
must(await os.send(sockfd, httpReq.buffer) > 0);
const chunk = new Uint8Array(512);
const recvd = await os.recv(sockfd, chunk.buffer);
console.log([...chunk.slice(0,recvd)].map(c => String.fromCharCode(c)).join(''));