X509_chain_check_suiteb
err = X509_chain_check_suiteb(&ctx->error_depth, NULL, ctx->chain,
int err = X509_chain_check_suiteb(NULL, cert, NULL, ctx->param->flags);
int X509_chain_check_suiteb(int *perror_depth,
ok = X509_chain_check_suiteb(NULL, x, chain, suiteb_flags);