Zaurus SL-C700
build encdec
如下：
$ cd
$ wget https://github.com/steward-fu/sl-c700/releases/download/v1.2/encdec-updater.c
$ gcc encdec-updater.c -o encdec -static
$ ./encdec
Decode file:
encsh -d file.sh
Encode file:
encsh -c file.sh