文章浏览阅读1.2k次。雷鸟邮件使用Thunderbird is powerful and feature rich. But different users have different needs and it is not feasible to include all features into the base software, where a plugin system shines. Thunderbir......
文章浏览阅读1.3k次。雷鸟邮件使用Thunderbird is powerful and feature rich. But different users have different needs and it is not feasible to include all features into the base software, where a plugin system shines. Thunderbir......
文章浏览阅读671次。1.函数指针的两种定义方式及调用#include <stdio.h>int add(int a, int b){ return a + b;}int main(){ int(*p)(int a, int b) = NULL;//定义函数指针 int(*p1)(int, int) = NULL;//形参可以省略，定义函数指针 p = add;//指向 p1 = add; int sum = (......
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