擅长:python、mysql、java
<p>在[dcl.链接]/第五章:</p>
<blockquote>
<p>Except for functions with C++ linkage, a function declaration without
a linkage specification shall not precede the first linkage
specification for that function. A function can be declared without a
linkage specification after an explicit linkage specification has been
seen; the linkage explicitly specified in the earlier declaration is
not affected by such a function declaration.</p>
</blockquote>
<p>就函数的语言连接而言,这两个版本都很好。重要的部分是函数的第一个声明必须有<code>extern "C"</code>。在</p>