/*
 * @Author: LYX
 * @Date: 2023-09-14 19:07:59
 * @LastEditTime: 2023-10-08 18:59:41
 * @FilePath: \Test\gd32-f450-smart-car\main.c
 * @Description: 纸上谈来终觉浅 绝知此事要躬行
 * @Team：行胜于言
 * Copyright (c) 2023 by 行胜于言, All Rights Reserved.
 */

#include <stdio.h>

void test(int *a)
{
	// static int a = 1;
	// a++;
	// printf("%d   ", a);
	*a = *a + 1;
}

int main(void)
{
	int a = 10;
	int i = 0;
	int c = 123;
	int d = -123;
	int b = 1025; // 1025 00000000 00000000 00000100 00000001
	int *p;
	p = &b;
	printf("%d,%d,%d,%d,%d\n", b, &b, p, &p, *p);
	char *p0;
	p0 = (char*)p; // 类型强制转换，取一个字节，00000001
	printf("%d %d %d\n",sizeof(char), p0, *p0);
	printf("%d %d %d\n",sizeof(char), p0+1, *(p0+1));
	test(&a);
	printf("%d\n", a);

	printf("% d\r\n% d\n", c, d);

	// while (1)
	// {
	// 	// test();
	// 	i++;
	// }
	// return 0;
}