#include <u.h>#include <libc.h>#include <bio.h>#include <draw.h>#include <memdraw.h>#include <memlayer.h> enum {	Nbuf	= 32,}; typedef struct C C; struct C {	char		*path;	int		fd;	Memimage	*im;}; void		intimg(C*, char*, int);Memimage	*pageimg(C*, ulong);void		closeimg(C*);void		composer(C*, int, ulong, ulong);ulong		strtoop(char*); char		flag[0x80];