ossl_slh_fors_pk_from_sig
&& ossl_slh_fors_pk_from_sig(hctx, rpkt, md, pk_seed, adrs,
return ossl_slh_fors_pk_from_sig(hctx, sig_rpkt, md, pk_seed, adrs,
__owur int ossl_slh_fors_pk_from_sig(SLH_DSA_HASH_CTX *ctx, PACKET *sig_rpkt,