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Annotation of researchv10dc/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: 
        !            24: /*
        !            25:  * Algorithm related options
        !            26:  */
        !            27: int    hflag;  /* -h, use halfhearted DIFFH */
        !            28: int    bflag;  /* 1 = ignore quantity of white space
        !            29:                   2 = ignore white space entirely */
        !            30: 
        !            31: /*
        !            32:  * Options on hierarchical diffs.
        !            33:  */
        !            34: int    rflag;                  /* recursively trace directories */
        !            35: int    sflag;                  /* announce files which are same */
        !            36: 
        !            37: /*
        !            38:  * Variables for -c context option.
        !            39:  */
        !            40: int    context;                /* lines of context to be printed */
        !            41: 
        !            42: /*
        !            43:  * State for exit status.
        !            44:  */
        !            45: int    status;
        !            46: int    anychange;
        !            47: char   tempfile[2][16];        /* used when comparing against char special 
        !            48:                                   devices or standard input */
        !            49: int    whichtemp;
        !            50: 
        !            51: /*
        !            52:  * Variables for diffdir.
        !            53:  */
        !            54: char   **diffargv;             /* option list to pass to recursive diffs */
        !            55: 
        !            56: /*
        !            57:  * Input file names.
        !            58:  * With diffdir, file1 and file2 are allocated BUFSIZ space,
        !            59:  * and padded with a '/', and then efile0 and efile1 point after
        !            60:  * the '/'.
        !            61:  */
        !            62: char   *file1, *file2, *efile1, *efile2;
        !            63: struct stat stb1, stb2;
        !            64: struct stat stb1, stb2;
        !            65: 
        !            66: /*
        !            67:  * This is allocated early, and used
        !            68:  * to reset the free storage pointer to effect space compaction.
        !            69:  */
        !            70: char   *dummy;
        !            71: 
        !            72: char   *malloc(), *realloc(), *talloc(), *ralloc();
        !            73: char   *savestr(), *splice(), *splicen();
        !            74: char   *mktemp(), *copytemp(), *strrchr();
        !            75: int    done();
        !            76: 
        !            77: extern char diffh[], diff[], pr[];

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