asn1_get_sequence
asn1_error_code asn1_get_sequence
retval = asn1_get_sequence(buf, &length, &seqindef); \
retval = asn1_get_sequence(buf, &length, &seqindef); \
retval = asn1_get_sequence(buf, &length, &seqofindef); \
retval = asn1_get_sequence(&buf,&length,&seqindef);\
ret = asn1_get_sequence(buf, &length, &seqindef); checkerr;
asn1_get_sequence(&subbuf, &length, &seqindef);
ret = asn1_get_sequence(&subbuf, &length, &seqindef); checkerr;
ret = asn1_get_sequence(&buf, &length, &seqindef); checkerr;
ret = asn1_get_sequence(&subbuf, &length, &seqindef); checkerr;