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n8250.h
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C/C++ Source or Header
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1992-05-28
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793b
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35 lines
/* @(#) $Header: n8250.h,v 1.5 92/05/26 10:08:47 deyke Exp $ */
/* Various I/O definitions specific to asynch I/O */
#ifndef _8250_H
#define _8250_H
#ifndef _MBUF_H
#include "mbuf.h"
#endif
#ifndef _IFACE_H
#include "iface.h"
#endif
/* Asynch controller control block */
struct asy {
struct iface *iface;
int fd; /* File descriptor */
struct mbuf *sndq; /* Transmit queue */
long speed; /* Line speed in bits per second */
long rxints; /* receive interrupts */
long txints; /* transmit interrupts */
long rxchar; /* Received characters */
long txchar; /* Transmitted characters */
long rxhiwat; /* High water mark on hardware rx fifo */
};
extern struct asy Asy[];
#endif /* _8250_H */