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Annotation of 43BSD/usr.bin/calendar/calendar.c, revision 1.1

1.1     ! root        1: static char *sccsid = "@(#)calendar.c  4.5 (Berkeley) 84/05/07";
        !             2: /* /usr/lib/calendar produces an egrep -f file
        !             3:    that will select today's and tomorrow's
        !             4:    calendar entries, with special weekend provisions
        !             5: 
        !             6:    used by calendar command
        !             7: */
        !             8: #include <sys/time.h>
        !             9: 
        !            10: #define DAY (3600*24L)
        !            11: 
        !            12: char *month[] = {
        !            13:        "[Jj]an",
        !            14:        "[Ff]eb",
        !            15:        "[Mm]ar",
        !            16:        "[Aa]pr",
        !            17:        "[Mm]ay",
        !            18:        "[Jj]un",
        !            19:        "[Jj]ul",
        !            20:        "[Aa]ug",
        !            21:        "[Ss]ep",
        !            22:        "[Oo]ct",
        !            23:        "[Nn]ov",
        !            24:        "[Dd]ec"
        !            25: };
        !            26: struct tm *localtime();
        !            27: 
        !            28: tprint(t)
        !            29: long t;
        !            30: {
        !            31:        struct tm *tm;
        !            32:        tm = localtime(&t);
        !            33:        printf("(^|[    (,;])((%s[^ \t]*[ \t]*|(0%d|%d)/)0*%d)([^0123456789]|$)\n",
        !            34:                month[tm->tm_mon],
        !            35:                tm->tm_mon + 1, tm->tm_mon + 1, tm->tm_mday);
        !            36:        printf("(^|[    (,;])((\\*[ \t]*)0*%d)([^0123456789]|$)\n",
        !            37:                tm->tm_mday);
        !            38: }
        !            39: 
        !            40: main()
        !            41: {
        !            42:        long t;
        !            43:        time(&t);
        !            44:        tprint(t);
        !            45:        switch(localtime(&t)->tm_wday) {
        !            46:        case 5:
        !            47:                t += DAY;
        !            48:                tprint(t);
        !            49:        case 6:
        !            50:                t += DAY;
        !            51:                tprint(t);
        !            52:        default:
        !            53:                t += DAY;
        !            54:                tprint(t);
        !            55:        }
        !            56: }

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