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Annotation of researchv9/cmd/diff/diff.h, revision 1.1

1.1     ! root        1: /* @(#)diff.h 4.1 10/9/80" */
        !             2: 
        !             3: /*
        !             4:  * diff - common declarations
        !             5:  */
        !             6: 
        !             7: #include <stdio.h>
        !             8: #include <ctype.h>
        !             9: #include <sys/types.h>
        !            10: #include <sys/stat.h>
        !            11: #include <signal.h>
        !            12: #include <sys/dir.h>
        !            13: 
        !            14: /*
        !            15:  * Output format options
        !            16:  */
        !            17: int    opt;
        !            18: 
        !            19: #define        D_NORMAL        0       /* Normal output */
        !            20: #define        D_EDIT          -1      /* Editor script out */
        !            21: #define        D_REVERSE       1       /* Reverse editor script */
        !            22: #define        D_CONTEXT       2       /* Diff with context */
        !            23: #define        D_IFDEF         3       /* Diff with merged #ifdef's */
        !            24: 
        !            25: /*
        !            26:  * Algorithm related options
        !            27:  */
        !            28: int    hflag;                  /* -h, use halfhearted DIFFH */
        !            29: int    bflag;                  /* ignore blanks in comparisions */
        !            30: 
        !            31: /*
        !            32:  * Options on hierarchical diffs.
        !            33:  */
        !            34: int    lflag;                  /* long output format with header */
        !            35: int    rflag;                  /* recursively trace directories */
        !            36: int    sflag;                  /* announce files which are same */
        !            37: char   *start;                 /* do file only if name >= this */
        !            38: 
        !            39: /*
        !            40:  * Variables for -I D_IFDEF option.
        !            41:  */
        !            42: int    wantelses;              /* -E */
        !            43: char   *ifdef1;                /* String for -1 */
        !            44: char   *ifdef2;                /* String for -2 */
        !            45: char   *endifname;             /* What we will print on next #endif */
        !            46: int    inifdef;
        !            47: 
        !            48: /*
        !            49:  * Variables for -c context option.
        !            50:  */
        !            51: int    context;                /* lines of context to be printed */
        !            52: 
        !            53: /*
        !            54:  * State for exit status.
        !            55:  */
        !            56: int    status;
        !            57: int    anychange;
        !            58: char   *tempfile;              /* used when comparing against std input */
        !            59: 
        !            60: /*
        !            61:  * Variables for diffdir.
        !            62:  */
        !            63: char   **diffargv;             /* option list to pass to recursive diffs */
        !            64: 
        !            65: /*
        !            66:  * Input file names.
        !            67:  * With diffdir, file1 and file2 are allocated BUFSIZ space,
        !            68:  * and padded with a '/', and then efile0 and efile1 point after
        !            69:  * the '/'.
        !            70:  */
        !            71: char   *file1, *file2, *efile1, *efile2;
        !            72: struct stat stb1, stb2;
        !            73: struct stat stb1, stb2;
        !            74: 
        !            75: /*
        !            76:  * This is allocated early, and used
        !            77:  * to reset the free storage pointer to effect space compaction.
        !            78:  */
        !            79: char   *dummy;
        !            80: 
        !            81: char   *malloc(), *talloc(), *ralloc();
        !            82: char   *savestr(), *splice(), *splicen();
        !            83: char   *mktemp(), *copytemp(), *strrchr();
        !            84: int    done();
        !            85: 
        !            86: extern char diffh[], diff[], pr[];

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