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Annotation of 42BSD/usr.lib/libtermlib/tc3.c, revision 1.1

1.1     ! root        1: #ifndef lint
        !             2: static char sccsid[] = "@(#)tc3.c      4.1 (Berkeley) 6/27/83";
        !             3: #endif
        !             4: 
        !             5: /*
        !             6:  * tc3 [term]
        !             7:  * Dummy program to test out termlib.
        !             8:  * Input two numbers and it prints out the tgoto string generated.
        !             9:  */
        !            10: #include <stdio.h>
        !            11: char buf[1024];
        !            12: char *getenv(), *tgetstr();
        !            13: char *rdchar();
        !            14: char *tgoto();
        !            15: char *CM;
        !            16: char cmbuff[30];
        !            17: char *x;
        !            18: char *UP;
        !            19: char *tgout;
        !            20: 
        !            21: main(argc, argv) char **argv; {
        !            22:        char *p;
        !            23:        int rc;
        !            24:        int row, col;
        !            25: 
        !            26:        if (argc < 2)
        !            27:                p = getenv("TERM");
        !            28:        else
        !            29:                p = argv[1];
        !            30:        rc = tgetent(buf,p);
        !            31:        x = cmbuff;
        !            32:        UP = tgetstr("up", &x);
        !            33:        printf("UP = %x = ", UP); pr(UP); printf("\n");
        !            34:        if (UP && *UP==0)
        !            35:                UP = 0;
        !            36:        CM = tgetstr("cm", &x);
        !            37:        printf("CM = "); pr(CM); printf("\n");
        !            38:        for (;;) {
        !            39:                if (scanf("%d %d", &row, &col) < 2)
        !            40:                        exit(0);
        !            41:                tgout = tgoto(CM, row, col);
        !            42:                pr(tgout);
        !            43:                printf("\n");
        !            44:        }
        !            45: }
        !            46: 
        !            47: pr(p)
        !            48: register char *p;
        !            49: {
        !            50:        for (; *p; p++)
        !            51:                printf("%s", rdchar(*p));
        !            52: }
        !            53: 
        !            54: /*
        !            55:  * rdchar: returns a readable representation of an ASCII char, using ^ notation.
        !            56:  */
        !            57: #include <ctype.h>
        !            58: char *rdchar(c)
        !            59: char c;
        !            60: {
        !            61:        static char ret[4];
        !            62:        register char *p;
        !            63: 
        !            64:        /*
        !            65:         * Due to a bug in isprint, this prints spaces as ^`, but this is OK
        !            66:         * because we want something to show up on the screen.
        !            67:         */
        !            68:        ret[0] = ((c&0377) > 0177) ? '\'' : ' ';
        !            69:        c &= 0177;
        !            70:        ret[1] = isprint(c) ? ' ' : '^';
        !            71:        ret[2] = isprint(c) ?  c  : c^0100;
        !            72:        ret[3] = 0;
        !            73:        for (p=ret; *p==' '; p++)
        !            74:                ;
        !            75:        return (p);
        !            76: }

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