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These keywords are +treated as such even in the preprocessor. They function as operators in +‘<samp>#if</samp>’, and they cannot be defined as macros or poisoned. In C, you +can request that those keywords take their C++ meaning by including +<samp>iso646.h</samp>. That header defines each one as a normal object-like +macro expanding to the appropriate punctuator. +</p> +<p>These are the named operators and their corresponding punctuators: +</p> +<table> +<tr><td>Named Operator</td><td>Punctuator</td></tr> +<tr><td><code>and</code></td><td><code>&&</code></td></tr> +<tr><td><code>and_eq</code></td><td><code>&=</code></td></tr> +<tr><td><code>bitand</code></td><td><code>&</code></td></tr> +<tr><td><code>bitor</code></td><td><code>|</code></td></tr> +<tr><td><code>compl</code></td><td><code>~</code></td></tr> +<tr><td><code>not</code></td><td><code>!</code></td></tr> +<tr><td><code>not_eq</code></td><td><code>!=</code></td></tr> +<tr><td><code>or</code></td><td><code>||</code></td></tr> +<tr><td><code>or_eq</code></td><td><code>|=</code></td></tr> +<tr><td><code>xor</code></td><td><code>^</code></td></tr> +<tr><td><code>xor_eq</code></td><td><code>^=</code></td></tr> +</table> + + + + +</body> +</html> |