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Annotation of researchv9/sys.vax/h/nttyld.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * new tty line discipline processing
        !             3:  */
        !             4: 
        !             5: struct nttyld {
        !             6: 
        !             7:        struct  queue *nt_outq;         /* for echoed characters */
        !             8:        struct  queue *nt_readq;        /* for processed input characters */
        !             9: 
        !            10: #define NT_NIN 256
        !            11:        char    nt_in[NT_NIN];  /* cooked mode input buffer */
        !            12:        short   nt_nin;         /* current number of characters in nt_in */
        !            13: 
        !            14:        short   nt_flags;       /* ioctl [gs]ettable modes */
        !            15:        short   nt_state;       /* internal state, not visible externally */
        !            16:        char    nt_col;         /* printing column of device */
        !            17:        char    nt_delct;       /* number of delimiters in read queue */
        !            18: 
        !            19:        char    nt_erase;       /* erase character */
        !            20:        char    nt_kill;        /* kill character */
        !            21:        struct  tchars nt_tchr;
        !            22: #define nt_intrc       nt_tchr.t_intrc
        !            23: #define nt_quitc       nt_tchr.t_quitc
        !            24: #define nt_startc      nt_tchr.t_startc
        !            25: #define nt_stopc       nt_tchr.t_stopc
        !            26: #define nt_eofc                nt_tchr.t_eofc
        !            27: #define nt_brkc                nt_tchr.t_brkc
        !            28: 
        !            29:        /*
        !            30:         * local:
        !            31:         */
        !            32:        short   nt_trash;       /* nt_nin after last write() data processed */
        !            33:        short   nt_rocol;       /* nt_col when nt_nin==0 */
        !            34:        short   nt_local;       /* local mode bits */
        !            35:        short   nt_lstate;      /* local state bits */
        !            36: 
        !            37:        struct  ltchars nt_ltchr;
        !            38: #define nt_suspc       nt_ltchr.t_suspc
        !            39: #define nt_dsuspc      nt_ltchr.t_dsuspc
        !            40: #define nt_rprntc      nt_ltchr.t_rprntc
        !            41: #define nt_flushc      nt_ltchr.t_flushc
        !            42: #define nt_werasc      nt_ltchr.t_werasc
        !            43: #define nt_lnextc      nt_ltchr.t_lnextc
        !            44: #define nt_urotc       nt_luchr.t_urotc
        !            45: };
        !            46: 
        !            47: 
        !            48: /*
        !            49:  * values for nt_state:
        !            50:  */
        !            51: #define NT_STOP                001     /* stopped by stop character */
        !            52: #define NT_ESC         002     /* have just seen \ or lnext character */
        !            53: #define NT_CR          004     /* turning LF into CRLF */
        !            54: #define NT_USE         010     /* nttyld structure in use */
        !            55: #define NT_CASE                020     /* adding \ for upper-case-only terminals */
        !            56: #define NT_ECHO                040     /* echoed something for ntin */
        !            57: 
        !            58: 
        !            59: /*
        !            60:  * default local special characters (struct ltchars)
        !            61:  */
        !            62: #define CSUSP  CTRL(z)
        !            63: #define CDSUSP CTRL(y)
        !            64: #define CRPRNT CTRL(r)
        !            65: #define CFLUSH CTRL(o)
        !            66: #define CWERAS CTRL(w)
        !            67: #define CLNEXT CTRL(v)
        !            68: 
        !            69: 
        !            70: /*
        !            71:  * Ioctl message format.
        !            72:  */
        !            73: 
        !            74: struct ntioc {
        !            75:        int     command;
        !            76: 
        !            77:        union {
        !            78:                struct sgttyb   sg;
        !            79:                struct tchars   tchr;
        !            80:                struct ltchars  ltchr;
        !            81:                short           local;
        !            82:                char            chr[16];
        !            83:        } arg;
        !            84: };

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