+
+extern
+void syscall_entry_event_probe(void *__data, struct pt_regs *regs, long id);
+
+extern
+void syscall_exit_event_probe(void *__data, struct pt_regs *regs, long ret);
+
+extern
+void syscall_entry_event_notifier_probe(void *__data, struct pt_regs *regs,
+ long id);
+extern
+void syscall_exit_event_notifier_probe(void *__data, struct pt_regs *regs,
+ long ret);
+