/* 変数の内容を入れ替える２ */
#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 exc2.c */