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qemu 0.11.0

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