c - Xcode 4.2中简单C字符串的奇怪结果

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这是令人难以置信！

const char *cStr = "a";
printf("%s, %x", cStr, cStr);

结果：

a, 11046

最佳答案

它首先打印cStr指向的字符串，然后打印其地址。真的不是难以置信。

%x告诉printf期望一个十六进制值，并且由于您将指针传递给它，它将获取该地址并进行打印。

下列：

printf("%s, %x, %d", cStr, cStr, cStr);

还将以十进制格式打印地址。