typedef struct FONT_DEF {
unsigned char font_def_version; /* version of the font definition file*/
unsigned char store_width; /* glyph storage width in bytes */
unsigned char alto; /* glyph height for storage */
unsigned char *glyph_table; /* font table start address in memory */
unsigned char fixed_width; /* fixed width of glyphs. If zero */
/* then use the width table. */
unsigned char *width_table; /* variable width table start adress */
} FONT_DEF;