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slirp/sbuf.h

 

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/*

 

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 * Copyright (c) 1995 Danny Gasparovski.

 

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 *

 

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 * Please read the file COPYRIGHT for the

 

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 * terms and conditions of the copyright.

 

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 */

 

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#ifndef _SBUF_H_

 

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#define _SBUF_H_

 

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#define sbflush(sb) sbdrop((sb),(sb)->sb_cc)

 

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#define sbspace(sb) ((sb)->sb_datalen - (sb)->sb_cc)

 

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struct sbuf {

 

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        u_int   sb_cc;          /* actual chars in buffer */

 

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        u_int   sb_datalen;     /* Length of data  */

 

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        char    *sb_wptr;       /* write pointer. points to where the next

 

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                                 * bytes should be written in the sbuf */

 

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        char    *sb_rptr;       /* read pointer. points to where the next

 

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                                 * byte should be read from the sbuf */

 

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        char    *sb_data;       /* Actual data */

 

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};

 

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void sbfree(struct sbuf *);

 

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void sbdrop(struct sbuf *, int);

 

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void sbreserve(struct sbuf *, int);

 

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void sbappend(struct socket *, struct mbuf *);

 

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void sbcopy(struct sbuf *, int, int, char *);

 

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#endif

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