swapvals.c

最新推荐文章于 2021-05-18 02:01:00 发布

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本文介绍了一个简单的C语言程序，该程序演示了如何通过指针传递来交换两个整数变量的值。通过定义一个名为swap_values的函数实现，此函数接受两个整数指针作为参数，并使用临时变量temp进行值的交换。

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void swap_values(int *a, int *b)
{
int temp;

   temp = *a; // Temporarily hold the value pointed to by a
   *a = *b;    // Assign b's value to a
   *b = temp; // Assign a's value to b
}

void main(void)
{
int one = 1, two = 2;

swap_values(&one, &two);

printf("one contains %d two contains %d/n", one, two);
}