ref: 7effba9d98e8a39ee1504192d02d40e86d90b19a
dir: /sys/src/games/music/jukefs/print.h/
extern int fflag; void printtree(Object *, int); int parentage(char *, int, Object *); int miniparentage(char *, int, Object *); int indent(char *, int, int n, char *buf);