获取 buf 里的 symbol
cbuf = BufListCount()msg(cbuf)ibuf = 0while (ibuf < cbuf){ hbuf = BufListItem(ibuf) isymMax = GetBufSymCount(hbuf) msg(isymMax) isym = 0 while (isym < isymMax) { symname = GetBufSymLocation(hbuf, isym) msg(symname) isym = isym + 1 } ibuf = ibuf + 1}