=proto
int duk_get_magic(duk_context *ctx);

=summary
<p>Get the 16-bit signed "magic" value associated with a Duktape/C function.
If there is no current activation, zero is returned.</p>

<p>The magic function allows the same Duktape/C function to be used with slightly
different behavior; behavior flags or other parameters can be passed in the
magic field.  This is less expensive than having behavior related flags or
properties in the function object as normal properties.</p>

<p>If you need an unsigned 16-bit value, simply AND the result:</p>
<pre class="c-code">
unsigned int my_flags = ((unsigned int) duk_get_magic(ctx)) & 0xffff;
</pre>

=example
int my_flags = duk_get_magic(ctx);
if (my_flags & 0x01) {
    printf("flag set\n");
} else {
    printf("flag not set\n");
}

=tags
omit