privatize evSubscrip

modules/database/src/ioc/db/dbChannel.h

@@ -41,7 +41,12 @@ extern "C" {
 /**
  * event subscription
  */
-typedef struct evSubscrip {
+struct evSubscrip;
+
+typedef struct evSubscrip evSubscrip;
+
+#ifdef EPICS_PRIVATE_API
+struct evSubscrip {
     ELLNODE             node;
     struct dbChannel  * chan;
     EVENTFUNC         * user_sub;
@@ -54,7 +59,8 @@ typedef struct evSubscrip {
     char                useValque;
     char                callBackInProgress;
     char                enabled;
-} evSubscrip;
+};
+#endif
 
 typedef struct chFilter chFilter;
 

modules/database/src/ioc/db/dbEvent.c

@@ -18,6 +18,7 @@
  *          Ralph Lange <Ralph.Lange@bessy.de>
  */
 
+#define EPICS_PRIVATE_API
 #include <stddef.h>
 #include <stdlib.h>
 #include <stdio.h>