Function sbused

freebsd/sys/sockbuf.h:212–220

* Return how much data sits there in the socket buffer * It might be that some data is not yet ready to be read. */

 * It might be that some data is not yet ready to be read.
 */
static inline u_int
sbused(struct sockbuf *sb)
{

#if 0
	SOCKBUF_LOCK_ASSERT(sb);
#endif
	return (sb->sb_ccc);
}

/*
 * How much space is there in a socket buffer (so->so_snd or so->so_rcv)?