Function nc::fallocate

pub fn fallocate(
    fd: i32, 
    mode: i32, 
    offset: loff_t, 
    len: loff_t
) -> Result<(), Errno>

Manipulate file space.

let path = "/tmp/nc-fallocate";
let fd = nc::openat(nc::AT_FDCWD, path, nc::O_WRONLY | nc::O_CREAT, 0o644);
assert!(fd.is_ok());
let fd = fd.unwrap();
let ret = nc::fallocate(fd, 0, 0, 64 * 1024);
assert!(ret.is_ok());
assert!(nc::close(fd).is_ok());
assert!(nc::unlinkat(nc::AT_FDCWD, path, 0).is_ok());