Renamed CIOWRAP to CIOLIB.

to assume the cursor moved)

it doesn't return directory entries beginning with a period (e.g. '.' and '..')
unless the GLOB_PERIOD flag is specified.

fread/fwrite does not set errno, use ferror() to get error value instead.
Using sizeof() instead of numeric constant (2) in several places.
More detail in some last_error strings.

header debug/dump function (used by chksmb and smbutil).

Eliminated msvc warning with typecast.
Saves changes to menu file.

(Get/SetIpAddress) are not compiled.

Slight cosmetic improvements (this app still needs a lot of work).