subject           318 event/ngx_event_openssl.c     char              *subject, *issuer;
subject           335 event/ngx_event_openssl.c     subject = sname ? X509_NAME_oneline(sname, NULL, 0) : "(none)";
subject           343 event/ngx_event_openssl.c                    ok, err, depth, subject, issuer);
subject           346 event/ngx_event_openssl.c         OPENSSL_free(subject);