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Annotation of 41BSD/lib/libpc/h00vars.h, revision 1.1

1.1     ! root        1: /* Copyright (c) 1979 Regents of the University of California */
        !             2: 
        !             3: /* sccsid[] = "@(#)h00vars.h 1.1 10/29/80"; */
        !             4: 
        !             5: #include <stdio.h>
        !             6: 
        !             7: #define PXPFILE                "pmon.out"
        !             8: #define        BITSPERBYTE     8
        !             9: #define        BITSPERLONG     (BITSPERBYTE * sizeof(long))
        !            10: #define HZ             60
        !            11: #define        TRUE            1
        !            12: #define        FALSE           0
        !            13: #define        MAXLVL          20
        !            14: #define NAMSIZ         76
        !            15: #define MAXFILES       32
        !            16: #define PREDEF         2
        !            17: #define STDLVL         ((struct iorec *)(0x7ffffff1))
        !            18: #define GLVL           ((struct iorec *)(0x7ffffff0))
        !            19: #define FILNIL         ((struct iorec *)(0))
        !            20: #define INPUT          ((struct iorec *)(&input))
        !            21: #define OUTPUT         ((struct iorec *)(&output))
        !            22: #define ERR            ((struct iorec *)(&_err))
        !            23: 
        !            24: /*
        !            25:  * runtime display structure
        !            26:  */
        !            27: struct display {
        !            28:        char    *ap;
        !            29:        char    *fp;
        !            30: };
        !            31: 
        !            32: /*
        !            33:  * formal routine structure
        !            34:  */
        !            35: struct formalrtn {
        !            36:        long            (*entryaddr)();
        !            37:        long            cbn;
        !            38:        struct display  disp[2*MAXLVL];
        !            39: };
        !            40: 
        !            41: /*
        !            42:  * program variables
        !            43:  */
        !            44: extern struct display  _disply[MAXLVL];/* runtime display */
        !            45: extern int             _argc;          /* number of passed args */
        !            46: extern char            **_argv;        /* values of passed args */
        !            47: extern long            _stlim;         /* statement limit */
        !            48: extern long            _stcnt;         /* statement count */
        !            49: extern char            *_maxptr;       /* maximum valid pointer */
        !            50: extern char            *_minptr;       /* minimum valid pointer */
        !            51: extern long            _pcpcount[];    /* pxp buffer */
        !            52: 
        !            53: /*
        !            54:  * file structures
        !            55:  */
        !            56: struct iorechd {
        !            57:        char            *fileptr;       /* ptr to file window */
        !            58:        long            lcount;         /* number of lines printed */
        !            59:        long            llimit;         /* maximum number of text lines */
        !            60:        FILE            *fbuf;          /* FILE ptr */
        !            61:        struct iorec    *fchain;        /* chain to next file */
        !            62:        struct iorec    *flev;          /* ptr to associated file variable */
        !            63:        char            *pfname;        /* ptr to name of file */
        !            64:        short           funit;          /* file status flags */
        !            65:        short           fblk;           /* index into active file table */
        !            66:        long            fsize;          /* size of elements in the file */
        !            67:        char            fname[NAMSIZ];  /* name of associated UNIX file */
        !            68: };
        !            69: 
        !            70: struct iorec {
        !            71:        char            *fileptr;       /* ptr to file window */
        !            72:        long            lcount;         /* number of lines printed */
        !            73:        long            llimit;         /* maximum number of text lines */
        !            74:        FILE            *fbuf;          /* FILE ptr */
        !            75:        struct iorec    *fchain;        /* chain to next file */
        !            76:        struct iorec    *flev;          /* ptr to associated file variable */
        !            77:        char            *pfname;        /* ptr to name of file */
        !            78:        short           funit;          /* file status flags */
        !            79:        short           fblk;           /* index into active file table */
        !            80:        long            fsize;          /* size of elements in the file */
        !            81:        char            fname[NAMSIZ];  /* name of associated UNIX file */
        !            82:        char            buf[BUFSIZ];    /* I/O buffer */
        !            83:        char            window[1];      /* file window element */
        !            84: };
        !            85: 
        !            86: /*
        !            87:  * unit flags
        !            88:  */
        !            89: #define        FDEF    0x80    /* 1 => reserved file name */
        !            90: #define        FTEXT   0x40    /* 1 => text file, process EOLN */
        !            91: #define        FWRITE  0x20    /* 1 => open for writing */
        !            92: #define        FREAD   0x10    /* 1 => open for reading */
        !            93: #define        TEMP    0x08    /* 1 => temporary file */
        !            94: #define        SYNC    0x04    /* 1 => window is out of sync */
        !            95: #define        EOLN    0x02    /* 1 => at end of line */
        !            96: #define        EOFF    0x01    /* 1 => at end of file */
        !            97: 
        !            98: /*
        !            99:  * file routines
        !           100:  */
        !           101: extern struct iorec    *GETNAME();
        !           102: extern char            *MKTEMP();
        !           103: extern char            *PALLOC();
        !           104: 
        !           105: /*
        !           106:  * file record variables
        !           107:  */
        !           108: extern struct iorechd  _fchain;        /* head of active file chain */
        !           109: extern struct iorec    *_actfile[];    /* table of active files */
        !           110: extern long            _filefre;       /* last used entry in _actfile */
        !           111: 
        !           112: /*
        !           113:  * standard files
        !           114:  */
        !           115: extern struct iorechd  input;
        !           116: extern struct iorechd  output;
        !           117: extern struct iorechd  _err;

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