if let StmtKind::Let(local) = stmt.kind
    && let Some(init) = local.init
    && let ExprKind::Call(func, args) = init.kind
    && let ExprKind::Path(ref qpath) = func.kind
    && match_qpath(qpath, &["std", "mem", "transmute"])
    && args.len() == 1
    && let ExprKind::Path(ref qpath1) = args[0].kind
    && match_qpath(qpath1, &["ZPTR"])
    && let PatKind::Wild = local.pat.kind
{
    // report your lint here
}