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