copyoutstr
error = copyoutstr(devname, dm->device, PATH_MAX, NULL);
copyoutstr(sp, dp, ARG_MAX, &len))
copyoutstr(sp, dp, ARG_MAX, &len))
error = copyoutstr(s->s_login, SCARG(uap, namebuf), namelen, NULL);
error = copyoutstr(p->p_name, SCARG(uap, name), len, NULL);
error = copyoutstr(bp, SCARG(uap, buf), MAXPATHLEN, NULL);
error = copyoutstr(nd.ni_cnd.cn_rpbuf, SCARG(uap, resolved),
error = copyoutstr(ifdescrbuf, ifr->ifr_data, IFDESCRSIZE,
error = copyoutstr(ifrtlabelbuf, ifr->ifr_data,
int copyoutstr(const void *, void *, size_t, size_t *);
error = copyoutstr(sdp->swd_path,