DESC
Implement wrappers for most common ANSI C I/O functions (fread, fwrite, etc.).
EDESC

Implement wrappers for most common ANSI C I/O functions (fread, fwrite, etc.).

This is not a nice API to do serious I/O, and I doubt if I will include this
in future revisions, so it's not documented yet. Anyways, it's pretty complete
and extremely boring.