#include
#include
using namespace std;
void f(char *s1, char *s2, int len = 0);
int main()
{
char str1[80] = "This is a test";
char str2[80] = "0123456789";
f(str1, str2, 5);
f(str1, str2);
return 0;
}
void f(char *s1, char *s2, int len)
{
cout << s1;
cout << " " << len << " ";
cout << s2;
}
This is a test 5 0123456789This is a test 0 0123456789