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
14struct 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
24void sbfree _P((struct sbuf *));
25void sbdrop _P((struct sbuf *, int));
26void sbreserve _P((struct sbuf *, int));
27void sbappend _P((struct socket *, struct mbuf *));
28void sbcopy _P((struct sbuf *, int, int, char *));
29
30#endif
31