};
extern int tracepoint_probe_register_noupdate(const char *name,
- void *callback, void *priv,
+ void (*callback)(void), void *priv,
const char *signature);
extern int tracepoint_probe_unregister_noupdate(const char *name,
- void *callback, void *priv);
+ void (*callback)(void), void *priv);
extern void tracepoint_probe_update_all(void);
/*