PKWARE DCL ("explode") ("PKWARE data compression library") decompressor used in engines:
Endian conversion and byteswap conversion functions or macros.
This header file is meant to help ensure that engines and infrastructure code do not make use of certain "forbidden" APIs, such as fopen(), setjmp(), etc.
Macintosh resource fork manager used in engines:
(Inverse) Modified Discrete Cosine Transforms.
ARJ decompressor used in engines: