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以@打头的表示地址，*号表示的是数据：
如下一段（原文件的片段）将其转换成另外一种格式存到另外一个文件里面
要求：①遇到‘@’打印其第5~15位，遇到偶数‘@’不打印；
②遇到‘*’打印第16~17位。
③在Turbo C下能运行。
@0640 0010000000 AA
*08000000000000A50053
*08000000000000960062
*080000000000005A009E
*0800000000000069008F
*080000000000005A009E
*080000000000005A009E
*080000000000009E005A
*080000000000002000D8
@06400010000008A2
*080000000000000000F8
*080000000000001000E8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000800F0
*080000000000000000F8
转换后格式（即要得到的格式）
0010000000 A5 96 5A 69 5A 5A 9E 20 00 10 00 00 00 00 08 00
上面的原文件的一小部分
@064002D0BD08081B
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
@064002D0BD081013
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
@064002D0BD08180B
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
@064002D0BD082003
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
@064002D0BD0828FB
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
@064002D0BD0830F3
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
@064002D0BD0838EB
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
*080000000000000000F8
就是遇到第二个@不打印 第三个打印第四个不打印第五个打印第六个不打印 。。。。。。。。。。。。。
但偶数后面的*行后面的还要打印。。。。。。
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