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