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what is the difference between ...? Thanks. [复制链接]

jehudi

白手起家

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电梯直达

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发表于 2005-07-14 05:40 |只看该作者 |倒序浏览

# include ...

extern viod f();

int main() {
  ...

  /* use f here */
  return 0;
}

and

# include ...

int main() {

  extern void f();
  ...

  /* use f here */
  return 0;
}

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wujiajia

丰衣足食

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2楼 [报告]

发表于 2005-07-14 09:41 |只看该作者

what is the difference between ...? Thanks.

对于main 基本上没有区别

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aero

版主

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3楼 [报告]

发表于 2005-07-14 10:14 |只看该作者

what is the difference between ...? Thanks.

当然有区别，第一种方法别的函数也可以调用f，第二种，只有main可以调用f。

教材上木有讲么？

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what is the difference between ...? Thanks. [复制链接]

what is the difference between ...? Thanks.

what is the difference between ...? Thanks.

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