Function nix::unistd::gethostname

pub fn gethostname() -> Result<OsString>

Get the host name and store it in an internally allocated buffer, returning an OsString on success (see gethostname(2)).

This function call attempts to get the host name for the running system and store it in an internal buffer, returning it as an OsString if successful.

use nix::unistd;

let hostname = unistd::gethostname().expect("Failed getting hostname");
let hostname = hostname.into_string().expect("Hostname wasn't valid UTF-8");
println!("Hostname: {}", hostname);