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// 8交换两个长整型数据
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void SwapLong(long *x, long *y)
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{
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long temp;
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temp = *x;
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*x = *y;
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*y = temp;
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}
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// 交换两个字符串
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void SwapChar(char x[], char y[])
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{
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char temp[MAX_LEN];
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strcpy(temp, x);
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strcpy(x, y);
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strcpy(y, temp);
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}
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