RAY_CCS_TX_FIRST
hinti = RAY_CCS_TX_FIRST;
ccsindex = ray_find_free_tx_ccs(sc, RAY_CCS_TX_FIRST);
if (hint == RAY_CCS_TX_FIRST)
for (i = RAY_CCS_TX_FIRST; i < hint; i++) {
#define RAY_CCS_NTX (RAY_CCS_TX_LAST - RAY_CCS_TX_FIRST + 1)