Windows 3.1 Device Drivers (ddag31qh.hlp) (Table of Contents; Topic list)
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qdb
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typedef struct {
    char far    *pqRx;  /* pointer to Rx queue          */
    int         cbqRx;  /* size of Rx queue in bytes    */
    char far    *pqTx;  /* pointer to Tx queue          */
    int         cbqTx;  /* size of Tx queue in bytes    */
} qdb;
 
The qdb structure contains information about the location and size of the
transmit and receive queues.
 
Member  Description
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pqRx    Points to the receive queue.
 
cbqRx   Specifies the size (in bytes) of the receive queue.
 
pqTx    Points to the transmit queue.
 
cbqTx   Specifies the size (in bytes) of the transmit queue.
 
See Also
 
setque