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Clang Usage #11

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RongTsai4Git opened this issue Feb 11, 2022 · 2 comments

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clang

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RongTsai4Git commented Feb 11, 2022

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RongTsai4Git added the clang label

RongTsai4Git changed the title ~~Clang Tech~~ Clang Usage

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RongTsai4Git commented Feb 11, 2022

取得struct A:value_1 size作為arrary宣告的size常數

char a[sizeof(((struct A*)0)->value_1)]

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RongTsai4Git commented Feb 11, 2022

printf變數字串長度顯示

printf("%.*s\n", 16, "Hello world");
printf("|%*s|\n", 16 , "Hello world");
Output:
|Hello world|
|     Hello world|

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