#include
int sum(int a, int b)
{
return a + b;
}
int two(int n)
{
return n * 2;
}
void test(int n)
{
printf("%d\n", two(n));
}
int main()
{
test( sum(10, 11) );
return 0;
}
#include
int sum(int a, int b)
{
return a + b;
}
int two(int n)
{
return n * 2;
}
void test(int n)
{
printf("%d\n", two(n));
}
int main()
{
test( sum(10, 11) );
return 0;
}
sum(10, 11) 得到21
test输出 two(21),21 x2=42
所以输出42
以上结果经上机验证
http://codepad.org/y0Ig8vjW