C Program to shutdown or turn off computer

#include <stdio.h>
#include <stdlib.h>

main()
{
   char ch;

  printf("Do you want to shutdown your computer now(y/n)\n");
  scanf("%c",&ch);

   if (ch == 'y' || ch == 'Y')
      system("C:\\WINDOWS\\System32\\shutdown /s");

   return 0;
}