BGX_NODE_NAME
BGX_NODE_NAME, sizeof(BGX_NODE_NAME) - 1) != 0)
len = sizeof(BGX_NODE_NAME) + 1; /* <bgx_name>+<digit>+<\0> */
snprintf(bgx_sel, len + 1, "/"BGX_NODE_NAME"%d", bgx->bgx_id);
snprintf(bgx_sel, len, BGX_NODE_NAME"%d", bgx->bgx_id);