c08_15.c

it can help you know C++ souce program quckily

#include <stdio.h>
#define N 10

void swap(int *, int *);

int main()
{
	int		a, b;
	printf("请输入两个整数：\n");
	scanf("%d, %d", &a, &b);
	printf("交换变量值之前：\n");
	printf("a = %d  , b = %d\n", a, b);

	swap(&a, &b);
	printf("\n用Swap函数交换两个变量值之后：\n");
	printf("a = %d  , b = %d\n", a, b);

	return 0;
}

void swap(int *x, int *y)
{
	int		temp;
	temp = *x;
	*x = *y;
	*y = temp;
}