diff --git a/src/simple_ctrl.h b/src/simple_ctrl.h
index 81a759d..f35eab1 100644
--- a/src/simple_ctrl.h
+++ b/src/simple_ctrl.h
@@ -2,6 +2,16 @@
 
 #include <stdint.h>
 
+/* a CTRL client config */
+struct ctrl_cfg {
+	/* name of this CTRL client */
+	const char *name;
+	/* remote host/IP */
+	const char *remote_host;
+	/* remote CTRL port */
+	uint16_t remote_port;
+};
+
 struct simple_ctrl_handle;
 
 struct simple_ctrl_handle *simple_ctrl_open(void *ctx, const char *host, uint16_t dport,