exptilde
char *exptilde();
if (exptilde(target, RDIST_BUFSIZ, name) == NULL)
oldname = exptilde(oldnamebuf, sizeof (oldnamebuf), oldname);
if (exptilde(target, sizeof (target), cp) == NULL)
if (exptilde(buf, sizeof (buf), cp) == NULL)
rname = exptilde(target, sizeof (target), src);