xzFile __libxml2_xzdopen(int fd, const char *mode);
int __libxml2_xzread(xzFile file, void *buf, unsigned len);
int __libxml2_xzclose(xzFile file);
xzFile __libxml2_xzdopen(int fd, const char *mode);
int __libxml2_xzread(xzFile file, void *buf, unsigned len);
int __libxml2_xzclose(xzFile file);