Lines Matching refs:tail
15 * Data in the buffer extends from @tail to @head: it is written in at
16 * @head and read out from @tail. The membuff is empty when @head == @tail
17 * and full when adding another character would make @head == @tail. We
19 * to determine whether (when @head == @tail) the membuff is empty or full.
26 * tail head
30 * head tail
36 char *tail; /** current buffer tail */
42 * Initialise head and tail pointers so that the membuff becomes empty.
