pub struct FT_FaceRec {
    pub num_faces: i64,
    pub face_index: i64,
    pub face_flags: i64,
    pub style_flags: i64,
    pub num_glyphs: i64,
    pub family_name: *mut i8,
    pub style_name: *mut i8,
    pub num_fixed_sizes: i32,
    pub available_sizes: *mut FT_Bitmap_Size,
    pub num_charmaps: i32,
    pub charmaps: *mut *mut FT_CharMapRec,
    pub generic: FT_Generic,
    pub bbox: FT_BBox,
    pub units_per_EM: u16,
    pub ascender: i16,
    pub descender: i16,
    pub height: i16,
    pub max_advance_width: i16,
    pub max_advance_height: i16,
    pub underline_position: i16,
    pub underline_thickness: i16,
    pub glyph: *mut FT_GlyphSlotRec,
    pub size: *mut FT_SizeRec,
    pub charmap: *mut FT_CharMapRec,
    pub driver: *mut c_void,
    pub memory: *mut FT_MemoryRec,
    pub stream: *mut FT_StreamRec,
    pub sizes_list: FT_ListRec,
    pub autohint: FT_Generic,
    pub extensions: *mut c_void,
    pub internal: *mut c_void,
}Fields
num_faces: i64
                           face_index: i64
                           face_flags: i64
                           style_flags: i64
                           num_glyphs: i64
                           family_name: *mut i8
                           style_name: *mut i8
                           num_fixed_sizes: i32
                           available_sizes: *mut FT_Bitmap_Size
                           num_charmaps: i32
                           charmaps: *mut *mut FT_CharMapRec
                           generic: FT_Generic
                           bbox: FT_BBox
                           units_per_EM: u16
                           ascender: i16
                           descender: i16
                           height: i16
                           max_advance_width: i16
                           max_advance_height: i16
                           underline_position: i16
                           underline_thickness: i16
                           glyph: *mut FT_GlyphSlotRec
                           size: *mut FT_SizeRec
                           charmap: *mut FT_CharMapRec
                           driver: *mut c_void
                           memory: *mut FT_MemoryRec
                           stream: *mut FT_StreamRec
                           sizes_list: FT_ListRec
                           autohint: FT_Generic
                           extensions: *mut c_void
                           internal: *mut c_void