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Annotation of researchv10dc/lsys/sys/ttyld.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * TTY line discipline processing
        !             3:  */
        !             4: struct ttyld
        !             5: {
        !             6:        short   t_flags;        /* mode, settable by ioctl call */
        !             7:        short   t_state;        /* internal state, not visible externally */
        !             8:        char    t_delct;        /* number of delimiters in input q */
        !             9:        char    t_col;          /* printing column of device */
        !            10:        char    t_erase;        /* erase character */
        !            11:        char    t_kill;         /* kill character */
        !            12:        struct  tchars t_chr;
        !            13: };
        !            14: 
        !            15: #define        CTRL(c) ((c)&037)
        !            16: 
        !            17: /* default special characters */
        !            18: #define        CERASE  '\010'
        !            19: #define        CEOT    CTRL('d')
        !            20: #define        CKILL   '@'
        !            21: #define        CQUIT   034             /* FS, cntl shift L */
        !            22: #define        CINTR   0177            /* DEL */
        !            23: #define        CSTOP   CTRL('s')
        !            24: #define        CSTART  CTRL('q')
        !            25: #define        CBRK    0377
        !            26: 
        !            27: /* define partab character types */
        !            28: #define        ORDINARY        0
        !            29: #define        CONTROL         1
        !            30: #define        BACKSPACE       2
        !            31: #define        NEWLINE         3
        !            32: #define        TAB             4
        !            33: #define        VTAB            5
        !            34: #define        RETURN          6
        !            35: 
        !            36: /* states */
        !            37: #define        TTSTOP  01              /* stopped by CTL S */
        !            38: #define        TTESC   02              /* have just seen \ */
        !            39: #define        TTCR    04              /* turning LF into CRLF */
        !            40: #define        TTUSE   010             /* this structure in use */
        !            41: #define        TTBLOCK 020             /* have sent tandem STOP */

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