How is musl special when it comes to interposing malloc? As far as I’m aware, (dynamically) swapping out malloc implementations is a messy business no matter wh

How is musl special when it comes to interposing malloc? As far as I’m aware, (dynamically) swapping out malloc implementations is a messy business no matter what. Most libc implementations only “support” the behavior in the sense that they won’t stop users from “swimming in the deep end”, so to speak.