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The difference of 0 & ‘0‘ & ‘\0‘
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0 is a number(decimal).
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‘0‘ is a char. It‘s ASCII equal 48(decimal).
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‘\0‘ means the end of a string. It‘s ASCII equal 0(decimal).
C Language Study - 0 & '0' & '\0'
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原文地址：http://blog.csdn.net/oimchuan/article/details/43876213
