【开源】通过取函数指针来调用函数
<p><font face="Verdana">//C++ 函数指针 参数<br/>#include <iostream.h><br/>int add(int x, int y)<br/>{<br/> return x + y;<br/>}</font></p><p><font face="Verdana">void op(int(*p)(int, int), int x, int y)<br/>{<br/> cout << p(x, y) << endl;<br/>}</font></p>
<p><font face="Verdana">void main()<br/>{<br/> op(add, 5, 3);<br/>}</font></p><font face="Verdana">
<p><br/>#include <iostream.h><br/>int add(int x, int y)<br/>{<br/> return x + y;<br/>}</p>
<p>int sub(int x, int y)<br/>{<br/> return x - y;<br/>}</p>
<p>void op(int(*p)(int, int), int x, int y)<br/>{<br/> cout << p(x, y) << endl;<br/>}</p>
<p>void main()<br/>{<br/> op(add, 5, 3);<br/> op(sub, 5, 3);<br/>}</font></p>
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