The use of several special macros in C language

#include<stdio.h>
#include<string.h>
#include"config.h"

void test01(char* p)
{
	if(p == NULL)
	{
		printf("文件：%s 的 %d 行 出错了\n",__FILE__,__LINE__);
		printf("日期：%s\n",__DATE__);
		printf("时间：%s\n",__TIME__);
	}
	
}


int main()
{
	test01(NULL);

	return 0;
}

Output result:

File: e:\users\hp\documents\visual studio 2010\projects\c language test\c language test\test.c Line 9 is wrong.
Date: Feb 29 2020
Time: 22:26:38
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