/* 変数の内容を入れ替える３ */
#include <stdio.h>

void swap( int *x, int *y )
{
	int	tmp;

	tmp = *x;
	*x = *y;
	*y = tmp;
}

main()
{
	int	i = 1;
	int	j = 2;

	printf("i = %d, j = %d\n", i, j );
	swap( &i, &j );
	printf("i = %d, j = %d\n", i, j );
}
/* end of exc3.c */