extern void uafs_Shutdown(void);
extern void osi_ReleaseVM(struct vcache *avc, int len,
afs_ucred_t *credp);
-extern int osi_GetTime(struct timeval *tv);
extern int iodone(struct usr_buf *bp);
extern int usr_ioctl(void);
extern int lookupname(char *fnamep, int segflg, int followlink,