/*
       External data used by DIO.C for directed I/O simulation:
       (BDSCIO.H must also be #included in the main file.)
*/

char _diflag, _doflag;                  /* flag if directed I/O being used */
char _pipef, *_pipedest;                /* true if a pipe is being filled  */
char **_savei, **_nullpos;              /* used to remember position in
                                          command line when piping        */
char _dibuf[BUFSIZ], _dobuf[BUFSIZ];    /* I/O buffers used for direction  */

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