OUTPUT
Compilation Unit
-Ekey<keyNumber>
<keyNumber>
The default encryption key is 0. Using this default is not recommended.
This option is used to encrypt files with the given key number ( -Eencrypt option).
None
None
fun.c -Ekey1234567 -Eencrypt=%n.e%e
This encrypts the fun.' file using the 1234567 key.