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<div class="refsect2" title="Environment variables">
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GTK+ inspects a number of environment variables in addition to standard
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variables like <code class="envar">LANG</code>, <code class="envar">PATH</code>, <code class="envar">HOME</code>
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or <code class="envar">DISPLAY</code>; mostly to determine paths to look for certain
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<a class="link" href="gtk-windows.html#win32-envar" title="Windows-specific environment variables">Windows</a> and
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Framebuffer GDK backends use some
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additional environment variables.