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 | u_int sb_cc; /* actual chars in buffer */
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16 | u_int sb_datalen; /* Length of data */
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17 | char *sb_wptr; /* write pointer. points to where the next
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18 | * bytes should be written in the sbuf */
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19 | char *sb_rptr; /* read pointer. points to where the next
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20 | * byte should be read from the sbuf */
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21 | char *sb_data; /* Actual data */
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22 | };
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23 |
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24 | void sbfree _P((struct sbuf *));
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25 | void sbdrop _P((struct sbuf *, int));
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26 | void sbreserve _P((struct sbuf *, int));
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27 | void sbappend _P((PNATState, struct socket *, struct mbuf *));
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28 | void sbappendsb _P((struct sbuf *, struct mbuf *));
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29 | void sbcopy _P((struct sbuf *, int, int, char *));
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30 |
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31 | #endif
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