Function nc::write

pub fn write(fd: i32, buf_ptr: usize, count: size_t) -> Result<ssize_t, Errno>

Write to a file descriptor.

let path = "/tmp/nc-write";
let ret = nc::open(path, nc::O_CREAT | nc::O_WRONLY, 0o644);
assert!(ret.is_ok());
let fd = ret.unwrap();
let msg = "Hello, Rust!";
let ret = nc::write(fd, msg.as_ptr() as usize, msg.len());
assert!(ret.is_ok());
assert_eq!(ret, Ok(msg.len() as nc::ssize_t));
assert!(nc::close(fd).is_ok());
assert!(nc::unlink(path).is_ok());