2 <!DOCTYPE para PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
4 The <function>open</function> function returns <returnvalue>2</returnvalue>
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5 (<errorname>ENOFILE</errorname>) if the file does not exist.
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