extern int Nflag; /* do not write the disk */
extern int uflag; /* unlink symlink targets */
extern int vflag; /* print out actions taken */
extern int yflag; /* always try to recover from tape errors */
extern int Nflag; /* do not write the disk */
extern int uflag; /* unlink symlink targets */
extern int vflag; /* print out actions taken */
extern int yflag; /* always try to recover from tape errors */