| 1 | /*
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| 2 | * Copyright (c) 1995 Danny Gasparovski.
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| 3 | *
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| 4 | * Please read the file COPYRIGHT for the
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| 5 | * terms and conditions of the copyright.
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| 6 | */
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| 7 |
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| 8 | #ifndef _SBUF_H_
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| 9 | #define _SBUF_H_
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| 10 |
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| 11 | #define sbflush(sb) sbdrop((sb),(sb)->sb_cc)
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| 12 | #define sbspace(sb) ((sb)->sb_datalen - (sb)->sb_cc)
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| 13 |
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| 14 | struct sbuf
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| 15 | {
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| 16 | u_int sb_cc; /* actual chars in buffer */
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| 17 | u_int sb_datalen; /* Length of data */
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| 18 | char *sb_wptr; /* write pointer. points to where the next
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| 19 | * bytes should be written in the sbuf */
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| 20 | char *sb_rptr; /* read pointer. points to where the next
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| 21 | * byte should be read from the sbuf */
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| 22 | char *sb_data; /* Actual data */
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| 23 | };
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| 24 |
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| 25 | void sbfree (struct sbuf *);
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| 26 | void sbdrop (struct sbuf *, int);
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| 27 | void sbreserve (PNATState, struct sbuf *, int);
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| 28 | void sbappend (PNATState, struct socket *, struct mbuf *);
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| 29 | void sbappendsb (PNATState, struct sbuf *, struct mbuf *);
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| 30 | void sbcopy (struct sbuf *, int, int, char *);
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| 31 | #endif
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