                </a><br>
                       
            </td>
                    
            <td class="TextCell">
                         In the C API, gdImageStringFt returns the bounding box of the 
                         string. If you need the bounding box without drawing the string,
                         you pass a null gdImagePointer. Since OCaml doesn't really have
                         null pointers, the ft_bbox function simply calls a C function
                         that passes