CMS_RecipientInfo_ktri_get0_signer_id
int CMS_RecipientInfo_ktri_get0_signer_id(CMS_RecipientInfo *ri,
LCRYPTO_ALIAS(CMS_RecipientInfo_ktri_get0_signer_id);
LCRYPTO_USED(CMS_RecipientInfo_ktri_get0_signer_id);