+extern void ktrsyscall(struct vnode *, int, int, int *);
+extern void ktrsysret(struct vnode *, int, int, int);
+extern void ktrnamei(struct vnode *, char *);
+extern void ktrgenio(struct vnode *, int, enum uio_rw, struct iovec *, int, int);
+extern void ktrpsig(struct vnode *, int, void (*)(int), int, int);
+
+
+#else /* not KERNEL */