BUF_Z_ADDR        609 src/buffer.c     *(BUF_GPT_ADDR (b)) = *(BUF_Z_ADDR (b)) = 0; /* Put an anchor '\0'.  */
BUF_Z_ADDR       5909 src/fns.c      			BUF_Z_ADDR (b) - BUF_GAP_END_ADDR (b),
BUF_Z_ADDR       5973 src/fns.c            area = BUF_Z_ADDR (b) - BUF_GAP_END_ADDR (b);