Function sbavail

freebsd/sys/sockbuf.h:198–206

* Return how much data is available to be taken out of socket * buffer right now. */

 * buffer right now.
 */
static inline u_int
sbavail(struct sockbuf *sb)
{

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

/*
 * Return how much data sits there in the socket buffer