return c;
return iC;
mng_uint32 update_crc (mng_datap  pData,                       mng_uint32 crc,                       mng_uint8p buf,                       mng_int32  len){  mng_uint32 c = crc;  mng_int32 n;  if (!pData->bCRCcomputed)    make_crc_table (pData);  for (n = 0; n < len; n++)    c = pData->aCRCtable [(c ^ buf [n]) & 0xff] ^ (c >> 8);  return c;}