extern void rle2clip_mem(void *image, int left, int right, 
			 int top, int bottom) ;

extern void rle2scale_mem(void *image, float scale) ;

extern void *rle22mem(char *fname, int regions, int *reds,
		      int *greens, int *blues) ;

extern void rle2output_mem(void *image, int interlace) ;

extern void rle22gif(char *fname, int regions, int interlace,
		     int *reds, int *greens, int *blues) ;