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Re: [Bug-gnulib] addition: linebreak.h, linebreak.c

From: Bruno Haible
Subject: Re: [Bug-gnulib] addition: linebreak.h, linebreak.c
Date: Mon, 7 Apr 2003 13:17:00 +0200 (CEST)

Paul Eggert writes:
> I generally omit the "extern " in declarations like that.
> "extern " adds nothing, and omitting it saves 7 columns.

I generally add the "extern " in declarations like that, for three

* It makes it clear to the human reader that he should not expect the
  implementation of the function in the same file.

* It makes declarations of variables and functions more consistent.

* It makes it easy to preprocess the file for use in Microsoft DLLs:
  sed -e 's/extern /extern LIBXXX_DLL_EXPORTED /'


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