xcb-util-cursor is a safe rust interface for libxcb-cursor. It depends on rust-xcb and uses their types.
# Cargo.toml
[dependencies]
xcb = "1.4.0"
xcb-util-cursor = "0.3.3"
use xcb_util_cursor::{Cursor, CursorContext};
let (connection, _) = xcb::Connection::connect(None).unwrap();
let setup = connection.get_setup();
let screen = setup.roots().next().unwrap();
let cursor_context = CursorContext::new(&connection, screen).unwrap();
let left_ptr = cursor_context.load_cursor(Cursor::LeftPtr);