struct jpeg_decdata;
struct jpeg_decdata *jpeg_alloc(void);
-int jpeg_decode(unsigned char *, unsigned char *, int, int, int,
- struct jpeg_decdata *);
-int jpeg_check_size(struct jpeg_decdata *, unsigned char *, int, int);
+int jpeg_decode(struct jpeg_decdata *jpeg, unsigned char *buf);
+void jpeg_get_size(struct jpeg_decdata *jpeg, int *width, int *height);
+int jpeg_show(struct jpeg_decdata *jpeg, unsigned char *pic, int width
+ , int height, int depth, int bytes_per_line_dest);
#endif