/*	$NetBSD: d_cast_fun_array_param.c,v 1.2 2021/01/31 14:39:31 rillig Exp $	*/
# 3 "d_cast_fun_array_param.c"

static void f(void *b[4]) {
	(void)&b;
}

void *
foo(void *fn) {
	return fn == 0 ? f : (void (*)(void *[4])) fn;
}