从MTK的BIN文件里提取图片资源

从MTK的BIN文件里提取图片资源constunsignedcharBMP_HEAD[2]={0x42,0x4D};constunsignedcharGIF_HEAD[6]={0x47,0x49,0x46,0x38,0x39,0x61};constunsignedcharJPG_HEAD1[4]={0xff,0xd8,0xff,0xe1};constunsignedcharJPG_HEAD2[4]={0xff,0xd8,0xff,0xe0};