Fields
- ext_data: *XExtData
- fid: Font
- direction: u32
- min_char_or_byte2: u32
- max_char_or_byte2: u32
- min_byte1: u32
- max_byte1: u32
- all_chars_exist: s32
- default_char: u32
- n_properties: s32
- properties: *XFontProp
- min_bounds: XCharStruct
- max_bounds: XCharStruct
- per_char: *XCharStruct
- ascent: s32
- descent: s32