return 0;
bufsize = PARA_MAX(1024U, OPT_UINT32_VAL(BUFSIZE));
buf = alloc(bufsize);
ret = recv_bin_buffer(at->fd, buf, bufsize);
PARA_DEBUG_LOG("recv: %d\n", ret);
if (ret == 0)
return 0;
bufsize = PARA_MAX(1024U, OPT_UINT32_VAL(BUFSIZE));
buf = alloc(bufsize);
ret = recv_bin_buffer(at->fd, buf, bufsize);
PARA_DEBUG_LOG("recv: %d\n", ret);
if (ret == 0)