Orkuncakilkaya
ebb1a00352
Udp.open/port/send/recv/from_ip/from_port/close/resolve/local_ip/ip/ip_text, native BSD sockets (udp.ll) and Winsock (udp_win.ll, -lws2_32), linked only when a program uses Udp.*; example, docs and tests. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
23 lines
525 B
Markdown
23 lines
525 B
Markdown
---
|
|
id: udp-open
|
|
name: Udp.open
|
|
category: udp
|
|
kind: namespace-method
|
|
tokens: Udp.open
|
|
sig: Udp.open(port) -> int
|
|
tip: Open a socket on a port.
|
|
order: 0
|
|
ns: Udp
|
|
member: open
|
|
---
|
|
|
|
Opens a non-blocking IPv4 socket bound to <code>port</code> on every interface and returns its handle, or <code>0</code> when it could not. Port <code>0</code> lets the system pick a free one; <a href="udp-port.html"><code>Udp.port</code></a> says which.
|
|
|
|
```ludic
|
|
program Demo {
|
|
entry {
|
|
let s = Udp.open(port: 0)
|
|
print(s > 0)
|
|
}
|
|
}
|
|
```
|