C compiler with embedded metalanguage.
您最多选择25个主题
主题必须以字母或数字开头，可以包含连字符 (-)，并且长度不得超过35个字符
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now() {
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union foo { int i; double d; };
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int x;
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double y;
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void hack (union foo);
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union foo u;
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u = (union foo) x == u.i = x;
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u = (union foo) y == u.d = y;
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hack ((union foo) x);
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}
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