ReqId,
                                                 const OSSL_CRMF_MSG *crm,
                                                 const X509_REQ *p10cr,
                                                 X509 **certOut,
                                                 STACK_OF(X509) **chainOut,
                                                 STACK_OF(X509) **caPubs);
 typedef OSSL_CMP_PKISI *(*OSSL_CMP_SRV_rr_cb_t)(OSSL_CMP_SRV_CTX *srv_ctx,
                                                 const OSSL_CMP_MS