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Message-ID: <426FDF60.3000109@scluk.com>
Date: Wed, 27 Apr 2005 19:52:16 +0100
From: "Al Slater" <al DOT slater AT scluk DOT com>
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To: martin AT dcs DOT warwick DOT ac DOT uk
CC: cygwin AT cygwin DOT com
Subject: Re: g++  compilation header difficulties (where are they?)
References: <426FB47A DOT 6040400 AT dcs DOT warwick DOT ac DOT uk>
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Russell Martin wrote:
> program only results in a "No such file or directory" error.  Using
> "find", I can only locate (for example) "stdlib.h" and there is no file
> "stdlib" anywhere.  I do have a file "iostream" in the

I beleive the header you want is cstdlib.

> euler.cpp: In function `int main(int, char**)':
> euler.cpp:21: error: `string' undeclared (first use this function)
> euler.cpp:21: error: (Each undeclared identifier is reported only once
> for each function it appears in.)
> euler.cpp:21: error: parse error before `;' token

string is in the std namespace so try std::string or add "using
namespace std;" near the top of your file.

> -----
> Despite the fact that the header file "string" is located in the
> directory /usr/include/c++/3.3.3 the compiler seemingly can't locate
> it.  This is puzzling since it lists this path in the #include
> search path above.  Even placing the source code into the
> /usr/include/c++/3.3.3 directory and trying to compile it there gives
> the same error.  What am I overlooking here, or not understanding?

Why do you think it was not found, the compiler did not output any error
messages indicating this.

- --
Al Slater

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