_dl_arc4randombuf
_dl_arc4randombuf((char *)(phdp->p_vaddr + loff),
_dl_arc4randombuf((char *)(phdp->p_vaddr + LOFF),
_dl_arc4randombuf(d->rbytes, sizeof(d->rbytes));
_dl_arc4randombuf(&mopts.malloc_canary,
_dl_arc4randombuf(&tmp, sizeof(tmp));
_dl_arc4randombuf(&rnd, sizeof(rnd));
void _dl_arc4randombuf(void *, size_t);