enum {	Xtsearch= 0,	Xtartist= 1,	Xtalbum=  2,	Xttracks= 3, 	Xfidsz= 20,	Xidsz=  16,}; typedef uchar Xfid[Xfidsz];typedef uchar Xid[Xidsz]; typedef struct Album Album;typedef struct Artist Artist;typedef struct Bio Bio;typedef struct Copy Copy;typedef struct Disc Disc;typedef struct Img Img;typedef struct Search Search;typedef struct Sfile Sfile;typedef struct Track Track; struct Album {	Xid    id;	double pop;	char   *name;	char   *aname;	char   *atype;	char   *review;	Copy   *copy;	Disc   **discs;	Xfid   c;	Xfid   csmall;	Xfid   clarge;	Xid    aid;};	 struct Artist {	Xid    id;	double pop;	char   *name;	Img    *img;	Bio    **bios;	char   *genres;	char   *years;	Track  **top;	Artist **similar;	Album  **albums;}; struct Bio {	char *text;}; struct Copy {	char *c;	char *p;}; struct Disc {	int   n;	char  *name;	Track **tracks;}; struct Img {	int  width;	int  height;	Xfid id;	Xfid small;	Xfid large;}; struct Search {	Artist **artists;	Album  **albums;	Track  **tracks;}; struct Sfile {	Xfid id;	char *fmt;}; struct Track {	Xid    id;	int    n;	int    year;	int    len;	char   *name;	char   *aname;	char   *alname;	char   *aaname;	Sfile  **files;	double pop;	int    explicit;	Xid    aid;	Xid    alid;	Xid    aaid;	Xfid   c;	Xfid   csmall;	Xfid   clarge;}; void xmlfree(int type, void *p);void *xmlparse(int type, char *s);