copyin_proc
int error = copyin_proc(p, (void *)p->p_psstrp, &arginfo32,
if ((error = copyin_proc(ws->p, (void *)end, buf, slen)) != 0) {
return copyin_proc(p, (void *)p->p_psstrp, arginfo, sizeof(*arginfo));
error = copyin_proc(p, uauxv, kauxv, size);
int copyin_proc(struct proc *, const void *, void *, size_t);