NAME
     cpp - macro preprocessor

SYNOPSIS
     cpp [files ...]

DESCRIPTION
     The cpp script is a front end for the C preprocessor (cc(1))  suitable
     for use with assembly language files (as(1))  or makefiles (make(1)).
     ANSI C changes in preprocessor syntax make a standard preprocessor much
     less useful for non-C environments, so the cpp script supplies a
     `traditional' syntax.

     The cpp script runs the preprocessor on each input file and sends the re-
     sult to the standard output.  If no files are supplied, cpp reads source
     from its standard input.

     If an application needs an ANSI C preprocessor, it should use cc -E.

FILES
     /usr/libexec/cpp  the GNU C preprocessor

SEE ALSO
     as(1),  cc(1)

BUGS
     Some makefiles or scripts expect cpp to write its output to its second
     argument.