ASN1_TFLG_IMPTAG
if ((at->flags & ASN1_TFLG_IMPTAG) == 0) {
if ((at->flags & ASN1_TFLG_IMPTAG) != 0) {
.flags = ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_IMPTAG | ASN1_TFLG_UNIVERSAL,
.flags = ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_IMPTAG | ASN1_TFLG_UNIVERSAL,
#define ASN1_TFLG_IMPLICIT ASN1_TFLG_IMPTAG|ASN1_TFLG_CONTEXT