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Annotation of researchv9/jerq/include/oqueue.h, revision 1.1

1.1     ! root        1: #define        QUEUE_H
        !             2: #define        NCHARS  512
        !             3: #define NULL ((char *)0)
        !             4: #define        STOPPED 1
        !             5: 
        !             6: struct cbuf {
        !             7:        struct  cbuf *next;
        !             8:        short   word;
        !             9: };
        !            10: struct clist {
        !            11:        struct  cbuf *c_tail;
        !            12:        struct  cbuf *c_head;
        !            13:        short   c_cc;
        !            14:        short   state;
        !            15: };
        !            16: 
        !            17: 
        !            18: #ifdef QUEUE_C
        !            19: struct cbuf cbufs[NCHARS];
        !            20: struct clist queues[3];
        !            21: struct cbuf *freelist;
        !            22: #else
        !            23: extern struct cbuf cbufs[NCHARS];
        !            24: extern struct clist queues[3];
        !            25: extern struct cbuf *freelist;
        !            26: #endif
        !            27: 
        !            28: #define        RCVQUEUE        queues[0]       /* chars from host */
        !            29: #define        KBDQUEUE        queues[1]       /* chars from keyboard */
        !            30: #define        OUTQUEUE        queues[2]       /* chars to send to host */

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