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Annotation of researchv10no/cmd/diff/diff.h, revision 1.1.1.1

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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