lookup            273 event/ngx_event_openssl.c     X509_LOOKUP  *lookup;
lookup            291 event/ngx_event_openssl.c     lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
lookup            293 event/ngx_event_openssl.c     if (lookup == NULL) {
lookup            299 event/ngx_event_openssl.c     if (X509_LOOKUP_load_file(lookup, (char *) crl->data, X509_FILETYPE_PEM)