ZSTD_not_in_dst
dctx->litBufferLocation = ZSTD_not_in_dst;
dctx->litBufferLocation = ZSTD_not_in_dst;
dctx->litBufferLocation = ZSTD_not_in_dst;
BYTE* const oend = dctx->litBufferLocation == ZSTD_not_in_dst ? ZSTD_maybeNullPtrAdd(ostart, maxDstSize) : dctx->litBuffer;
dctx->litBufferLocation = ZSTD_not_in_dst;
dctx->litBufferLocation = ZSTD_not_in_dst;
dctx->litBufferLocation = ZSTD_not_in_dst;