/* External data used by DIO.C for directed I/O simulation: (BDSCIO.H must also be #included in the main file.) */ /* #define BUF_CONS 1 /* uncomment if console buffering is desired (see DIO.C) */ */ 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 */ #ifdef BUF_CONS /* console buffering data */ char _conbuf[MAXLINE + 2]; /* console input buffer used for non-directed standard input */ char *_conbufp; /* pointer to next character to read from console buffer */ #endif