make net examples print ip and data

examples/tcp_server.zr

@@ -3,11 +3,17 @@ func main[] : i64
 
     io.println("Listening on port 8000...")
     let resp = mem.alloc(60000)
+    let addr = mem.alloc(16)
     while true
-        let conn = net.accept(s)
+        let conn = net.accept(s, addr)
         if conn < 0
             continue
 
+        io.printf("%d.%d.%d.%d:%d\n", addr[4], addr[5], addr[6], addr[7], mem.read16be(addr + 2))
+
+        io.print_sized(resp, n)
+        io.println("")
+
         let n = net.read(conn, resp, 60000)
         net.send(conn, resp, n)
         net.close(conn)

examples/udp_server.zr

@@ -8,5 +8,10 @@ func main[] : i64
             net.UDPPacket.free(pkt)
             continue
 
+        io.printf("%d.%d.%d.%d:%d\n", pkt->source_addr[4], pkt->source_addr[5], pkt->source_addr[6], pkt->source_addr[7], mem.read16be(pkt->source_addr + 2))
+
+        io.print_sized(pkt->data, pkt->size)
+        io.println("")
+
         net.udp_send_to(s, pkt->source_addr, pkt->data, pkt->size)
         net.UDPPacket.free(pkt)