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更新字符串示例 #105

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更新字符串示例 #105

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12 changes: 6 additions & 6 deletions docs/string.md
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Original file line number Diff line number Diff line change
Expand Up @@ -452,13 +452,13 @@ int strcmp(const char* s1, const char* s2);
下面是一个用法示例。

```c
// s1 = Happy New Year
// s2 = Happy New Year
// s3 = Happy Holidays
char* s1 = "Happy New Year";
char* s2 = "Happy New Year";
char* s3 = "Happy Holidays";

strcmp(s1, s2) // 0
strcmp(s1, s3) // 大于 0
strcmp(s3, s1) // 小于 0
printf("%d\n",strcmp(s1, s2));// 0
printf("%d\n",strcmp(s1, s3)); // 大于 0
printf("%d\n",strcmp(s3, s1)); // 小于 0
```

注意，`strcmp()`只用来比较字符串，不用来比较字符。因为字符就是小整数，直接用相等运算符（`==`）就能比较。所以，不要把字符类型（`char`）的值，放入`strcmp()`当作参数。
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