MFLIMIT
const BYTE * const mflimit = iend - MFLIMIT;
static const int LZ4_minLength = (MFLIMIT + 1);
static const int LZ4_64Klimit = ((64 * KB) + (MFLIMIT - 1));
const BYTE * const mflimit = iend - MFLIMIT;
LZ4_STATIC_ASSERT(MFLIMIT >= WILDCOPYLENGTH);
if (((endOnInput) && ((cpy > oend - MFLIMIT)
const BYTE * const mflimit = iend - MFLIMIT;