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

1.1     ! root        1: #define        QUEUE_H
        !             2: #define        NCHARS  2560
        !             3: #define NULL ((char *)0)
        !             4: 
        !             5: #define        STOPPED         1
        !             6: #define        QPRIORITY       2
        !             7: 
        !             8: struct clist {
        !             9:        long    c_tail;
        !            10:        long    c_head;
        !            11:        short   c_cc;
        !            12:        short   state;
        !            13: };
        !            14: 
        !            15: #ifdef QUEUE_C
        !            16: short  cbuf_next[NCHARS];
        !            17: char   cbuf_word[NCHARS];
        !            18: struct clist queues[3];
        !            19: int freelist, freemark;
        !            20: #else
        !            21: extern short   cbuf_next[NCHARS];
        !            22: extern char    cbuf_word[NCHARS];
        !            23: extern struct clist queues[3];
        !            24: extern int freelist, freemark;
        !            25: #endif
        !            26: 
        !            27: #define        RCVQUEUE        queues[0]       /* chars from host */
        !            28: #define        KBDQUEUE        queues[1]       /* chars from keyboard */
        !            29: #define        OUTQUEUE        queues[2]       /* chars to send to host */

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