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>Implementation of All Exported Functions</H1
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>Implementing the exported functions is the final step. The
    example function in <TT
CLASS="literal"
>first_module</TT
> looks like this: 
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>ZEND_FUNCTION(first_module)
{
    long parameter;

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &#38;parameter) == FAILURE) {
        return;
    }

    RETURN_LONG(parameter);
}</PRE
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>
    The function declaration is done
    using <TT
CLASS="literal"
>ZEND_FUNCTION</TT
>, which corresponds
    to <TT
CLASS="literal"
>ZEND_FE</TT
> in the function entry table (discussed
    earlier).
   </P
><P
>&#13;    After the declaration, code for checking and retrieving the function's
    arguments, argument conversion, and return value generation follows (more on
    this later).
   </P
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