ICE_PORT_OPT_DESC_LEN
cnt += snprintf(&desc[cnt], ICE_PORT_OPT_DESC_LEN - cnt,
char desc[ICE_PORT_OPT_DESC_LEN];
cnt += snprintf(&desc[cnt], ICE_PORT_OPT_DESC_LEN - cnt,
cnt += snprintf(&desc[cnt], ICE_PORT_OPT_DESC_LEN - cnt,