http://www.sogi.com.tw/newforum/article_list.aspx?topic_ID=6130800
http://www.sogi.com.tw/newforum/article_list.aspx?topic_ID=6106912

http://wayne.pp.ru/iphone4_jb/
http://tw.myblog.yahoo.com/wenlieng/article?mid=3457
http://www.ibm.com/developerworks/cn/linux/guitoolkit/newt/index.html

#include
int test(int a, int b)
{
return a + b;
}
int main()
{
unsigned long add;
add = (unsigned long)test;
printf("%d\n",((int(*)(int,int))add)(10,20));

system("pause");
return 0;
}