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#include "Defn.h"
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#include "Defn.h"
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#define IOBSIZE 4096
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#define IOBSIZE 4096
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typedef struct BufferListItem {
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typedef struct BufferListItem {
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	char			buf[IOBSIZE];
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	unsigned char			buf[IOBSIZE];
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	struct BufferListItem	*next;
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	struct BufferListItem	*next;
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} BufferListItem;
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} BufferListItem;
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typedef struct IoBuffer {
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typedef struct IoBuffer {
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	BufferListItem	*start_buf;		/* First buffer item */
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	BufferListItem	*start_buf;		/* First buffer item */
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	BufferListItem	*write_buf;		/* Write pointer location */
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	BufferListItem	*write_buf;		/* Write pointer location */
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	char		*write_ptr;		/* Write pointer location */
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	unsigned char	*write_ptr;		/* Write pointer location */
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	int		 write_offset;		/* Write pointer location */
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	int		 write_offset;		/* Write pointer location */
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	BufferListItem	*read_buf;		/* Read pointer location */
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	BufferListItem	*read_buf;		/* Read pointer location */
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	char		*read_ptr;		/* Read pointer location */
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	unsigned  char	*read_ptr;		/* Read pointer location */
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	int		 read_offset;		/* Read pointer location */
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	int		 read_offset;		/* Read pointer location */
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} IoBuffer;
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} IoBuffer;
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typedef struct TextBuffer {
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typedef struct TextBuffer {
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	char	*vmax;				/* Memory stack top */
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	char	*vmax;				/* Memory stack top */
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	char	*buf;				/* Line buffer */
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	unsigned char	*buf;				/* Line buffer */
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	char	*bufp;				/* Line buffer location */
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	unsigned char	*bufp;				/* Line buffer location */
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	SEXP	text;				/* String Vector */
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	SEXP	text;				/* String Vector */
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	int	ntext;				/* Vector length */
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	int	ntext;				/* Vector length */
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	int	offset;				/* Offset within vector */
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	int	offset;				/* Offset within vector */
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} TextBuffer;
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} TextBuffer;
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