static GSList *pd_list = NULL;
/* srd.c */
-extern GSList *searchpaths;
+extern SRD_PRIV GSList *searchpaths;
/* session.c */
-extern GSList *sessions;
-extern int max_session_id;
+extern SRD_PRIV GSList *sessions;
+extern SRD_PRIV int max_session_id;
/* module_sigrokdecode.c */
extern SRD_PRIV PyObject *mod_sigrokdecode;