DEVDCB Struct Reference
[Generic Character Device]

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Detailed Description

Device driver's private data structure.

Data Fields
HANDLE	dcb_rrdy
volatile int	dcb_rcnt
u_char	dcb_rbuff [16]
u_long	dcb_rtimeout
HANDLE	dcb_trdy
int	dcb_tlen
volatile int	dcb_tcnt
u_char	dcb_tbuff [16]
u_long	dcb_ttimeout

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Field Documentation

HANDLE DEVDCB::dcb_rrdy

Receiver ready queue.

volatile int DEVDCB::dcb_rcnt

Number of bytes in the receive buffer.

u_char DEVDCB::dcb_rbuff[16]

Receive buffer.

u_long DEVDCB::dcb_rtimeout

Read timeout.

HANDLE DEVDCB::dcb_trdy

Transmitter ready queue.

int DEVDCB::dcb_tlen

Number of bytes in the transmit buffer.

volatile int DEVDCB::dcb_tcnt

Number of bytes already transmitted.

u_char DEVDCB::dcb_tbuff[16]

Transmit buffer.

u_long DEVDCB::dcb_ttimeout

Write timeout.

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