我只是想知道,我该如何把指针的内容 储存在一个变量中, 特别是一些类似:
somethingpoint = getenv(somethingsomething);
此指针指向字符串 。
您需要声明一个指针变量, 然后指定给它。 您可以在一个代码行中完成这一切, 比如 :
const char *value = getenv(name);
我在这里使用const ,因为 getenv 返回一个指针到一个字符串,而该字符串的内容不能被程序修改。使用 const 让编译者帮助我们履行合同。
const char* test = getenv(pointerName);
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