Pathname identifying location of buffer.
An external format spec.
A buffer whose contents are examined.
Length (an integer) up to which buffer should be examined.
Default external format spec created by merging ef-spec with the encoding that was found.
locale-file-encoding consults the ANSI code page on Microsoft Windows. If the code page identifier is in
locale-file-encoding merges ef-spec with
:latin-1. This external format writes Latin-1 on output, giving an error for any non-Latin-1 characters that are written. If the code page identifier is not in
locale-file-encoding merges ef-spec with an encoding corresponding to the current code page that gives an error for characters that cannot be encoded.
LispWorks User Guide and Reference Manual - 13 Feb 2015