riverdelta/std/rt/rt.mod.nil

mod alloc;

// The function parameters are not actually unused.
function memcpy(_dst: I32, _src: I32, _n: I32) = 
    ___asm(
        __locals(),
        "local.get 2",
        "local.get 1",
        "local.get 0",
        "memory.copy",
    );