get
Entity: function

put
Entity: predicate

Usage:
What is get(File, Length)

Serializes variable What, using the file with handle File from which getting several bytes (how much depend of Length).

Usage:
put(What, File, Length)

Serializes variable What, using the file with handle File in which putting several bytes (how much depend of Length).

If Length is b (from byte) then gets/puts one byte.
If Length is s (from small) then gets/puts two bytes.
If Length is l (from long) then gets/puts four bytes.

Remark: The use of get and put will move the file position (you can change its value by the predicate set_file_pos).

See also:

open
close
get_file_pos
set_file_pos