ref: 8188b4f4f0e07b6669e6ae3c6c1099af917eaab4
dir: /sys/src/libttf/impl.h/
enum { ONCURVE = 1, TOUCHX = 2, TOUCHY = 4, TOUCH = 6, }; int ttfgototable(TTFontU *, char *); int ttfrounddiv(int, int); int ttfvrounddiv(vlong, int); int ttfhint(TTGlyph *); int ttfparsecmap(TTFontU *); int ttfrunfpgm(TTFont *); int ttfruncvt(TTFont *); void ttfunpack(TTFontU *, char *, ...); void ttfscan(TTGlyph *); void ttffreebitmap(TTBitmap *);