root / slirp / sbuf.h @ 36bb244b
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1 | f0cbd3ec | bellard | /*
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2 | f0cbd3ec | bellard | * Copyright (c) 1995 Danny Gasparovski.
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3 | f0cbd3ec | bellard | *
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4 | f0cbd3ec | bellard | * Please read the file COPYRIGHT for the
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5 | f0cbd3ec | bellard | * terms and conditions of the copyright.
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6 | f0cbd3ec | bellard | */
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7 | f0cbd3ec | bellard | |
8 | f0cbd3ec | bellard | #ifndef _SBUF_H_
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9 | f0cbd3ec | bellard | #define _SBUF_H_
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10 | f0cbd3ec | bellard | |
11 | f0cbd3ec | bellard | #define sbflush(sb) sbdrop((sb),(sb)->sb_cc)
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12 | f0cbd3ec | bellard | #define sbspace(sb) ((sb)->sb_datalen - (sb)->sb_cc)
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13 | f0cbd3ec | bellard | |
14 | f0cbd3ec | bellard | struct sbuf {
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15 | f0cbd3ec | bellard | u_int sb_cc; /* actual chars in buffer */
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16 | f0cbd3ec | bellard | u_int sb_datalen; /* Length of data */
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17 | f0cbd3ec | bellard | char *sb_wptr; /* write pointer. points to where the next |
18 | f0cbd3ec | bellard | * bytes should be written in the sbuf */
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19 | f0cbd3ec | bellard | char *sb_rptr; /* read pointer. points to where the next |
20 | f0cbd3ec | bellard | * byte should be read from the sbuf */
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21 | f0cbd3ec | bellard | char *sb_data; /* Actual data */ |
22 | f0cbd3ec | bellard | }; |
23 | f0cbd3ec | bellard | |
24 | f0cbd3ec | bellard | void sbfree _P((struct sbuf *)); |
25 | f0cbd3ec | bellard | void sbdrop _P((struct sbuf *, int)); |
26 | f0cbd3ec | bellard | void sbreserve _P((struct sbuf *, int)); |
27 | f0cbd3ec | bellard | void sbappend _P((struct socket *, struct mbuf *)); |
28 | f0cbd3ec | bellard | void sbappendsb _P((struct sbuf *, struct mbuf *)); |
29 | f0cbd3ec | bellard | void sbcopy _P((struct sbuf *, int, int, char *)); |
30 | f0cbd3ec | bellard | |
31 | f0cbd3ec | bellard | #endif |