○static変数とstatic関数の作成


#include <stdio.h>

class test{
public:
	static int i;
	static int get();
};

int test::i;//static変数は定義の必要あり

int test::get(){
	return i;
}


int main(){

	test::i=10;

	printf("%d\n",test::get());

	return 0;
}