CMS_get0_eContentType
const ASN1_OBJECT *CMS_get0_eContentType(CMS_ContentInfo *cms);
if (OBJ_obj2nid(CMS_get0_eContentType(cms)) != NID_id_smime_ct_receipt) {
int econt_nid = OBJ_obj2nid(CMS_get0_eContentType(cms));
LCRYPTO_ALIAS(CMS_get0_eContentType);
const ASN1_OBJECT *coid = CMS_get0_eContentType(cms);
LCRYPTO_USED(CMS_get0_eContentType);
obj = CMS_get0_eContentType(cms);
if ((obj = CMS_get0_eContentType(cms)) == NULL) {