ND_OPT_REDIRECT_HDR
#define nd_opts_rh nd_opt_array[ND_OPT_REDIRECT_HDR]
*(opt++) = ND_OPT_REDIRECT_HDR;
case ND_OPT_REDIRECT_HDR:
if (nd_opt->nd_opt_type != ND_OPT_REDIRECT_HDR)