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作者 c93cj3 在 PTT [ C_and_CPP ] 看板的留言(推文), 共11則

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[問題] 指標指向字串，要如何選擇單一字元？

[ C_and_CPP ]22 留言, 推噓總分: +11

作者: thnestar - 發表於 2010/01/18 20:05(14年前)

5^F推c93cj3:while(*str){01/18 20:54

6^F→c93cj3: if(*str >= 'a' && *str <= 'z')01/18 20:54

7^F→c93cj3: i++;01/18 20:54

8^F→c93cj3: str++;01/18 20:54

9^F→c93cj3:}01/18 20:54

10^F→c93cj3:printf("%d lower cases\n",i);01/18 20:55

11^F推c93cj3:*str改*ptr01/18 20:57

[問題] 我想請問下列幾提問題請高手指導!

[ C_and_CPP ]4 留言, 推噓總分: +1

作者: tintin7322 - 發表於 2010/01/08 21:35(14年前)

2^F推c93cj3:找一下取值運算子* 跟取址運算子&01/08 21:42

[ C_and_CPP ]30 留言, 推噓總分: +16

作者: pttfly - 發表於 2009/11/18 19:51(14年前)

4^F推c93cj3:右值(x++)的值是100 然後受到side effect影響x會再加111/18 19:59

5^F→c93cj3:所以x最後是10111/18 20:00

[問題] 新手問一個問題

[ C_and_CPP ]6 留言, 推噓總分: +4

作者: polom - 發表於 2009/09/03 13:26(14年前)

3^F推c93cj3:條件運算子09/03 13:47

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