h</code> (which is automatically included by <code>freetype.h</code>) defines the handling of FreeType's enumeration constants. It can also be used to generate error message strings with a small macro trick explained below.</p>
<p><strong>Error Formats</strong></p>
<p>The configuration macro <code>FT_CONFIG_OPTION_USE_MODULE_ERRORS</code> can be defined in <code>ftoption.h</code> in order to make the higher byte indicate the module where the error has happened (this is not compatible with standard builds of