trypref
if (trypref(ep, ".", 0))
if (trypref(ep, ".", 0) || suffix(ep, 0))
return (trypref(ep, a, lev) || suffix(ep, lev));
return (trypref(ep,a,lev));
return (trypref(ep, a, lev));
if (trypref(ep, d, lev) || suffix(ep, lev))
int trypref(char *, char *, int);