jka-compr-get-compression-info

jka-compr-get-compression-info is a compiled Lisp function in `jka-cmpr-hook.el'.

(jka-compr-get-compression-info FILENAME)

Return information about the compression scheme of FILENAME.
The determination as to which compression scheme, if any, to use is
based on the filename itself and `jka-compr-compression-info-list'.