gifclip.c

GIF87a的压缩

/*****************************************************************************
*   "Gif-Lib" - Yet another gif library.				     *
*									     *
* Written by:  Gershon Elber			IBM PC Ver 0.1,	Jul. 1989    *
******************************************************************************
* Program to clip an image and dump out only portion of it.		     *
* Options:								     *
* -i left top width bottom : clipping information for first image.	     *
* -n n left top width bottom : clipping information for nth image.	     *
* -h : on line help							     *
******************************************************************************
* History:								     *
* 8 Jul 89 - Version 1.0 by Gershon Elber.				     *
*****************************************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <alloc.h>
#include <string.h>
#include "gif_lib.h"
#include "getarg.h"

#define PROGRAM_NAME	"GifClip"
#define VERSION		"