C language to realize [shutdown program]

In the interpretation of the Shutdown Sequence front , You have to know a library function first system("shutdown -s -t 60") and system("shutdown -a), among “shutdown -s” Express To turn it off ,“shutdown -a” Express Cancel shutdown ,“-t 60” Express Delay 60 second ; To use the library function, you have to quote The header file #include<stdlib.h>.

Now start to realize the shutdown program ：

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
int main()
{
    
	char input[20] = {
     0 };
	system("shutdown -s -t 60");
	do
	{
    
		printf(" Your computer will shut down in a minute , If input ： I am a pig . Just cancel the shutdown ！\n Please enter ：");
		scanf("%s", input);
		if (strcmp(input, " I am a pig ") == 0)
		{
    
			system("shutdown -a");
			break;
		}
		printf(" Input error ！！\n");
	} while (1);
	return 0;
}

If you want to play a prank , Just add the program to the server of your roommate's computer .

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