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