typedef struct Fontchar Fontchar;
typedef struct Range Range;

struct Fontchar {
	int x;
	uint8_t top;
	uint8_t bottom;
	int8_t left;
	uint8_t width;
};

struct Range {
	uint32_t min;
	uint32_t max;
};

Range *getcharset(char *path, int *i, int pjwface);
int savesubfont(uint8_t *pix, int w, int h, int ascent, int scale, Fontchar *cs, int nc, char *path);