asn1_do_adb
const ASN1_TEMPLATE *asn1_do_adb(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt, int nullerr);
if ((seqat = asn1_do_adb(&aseq, at, 1)) == NULL)
if ((seqat = asn1_do_adb(&aseq, at, 1)) == NULL)
seqtt = asn1_do_adb(pval, tt, 1);
seqtt = asn1_do_adb(pval, tt, 1);
seqtt = asn1_do_adb(pval, &it->templates[i], 0);
seqtt = asn1_do_adb(fld, tt, 1);