c语言显示当前时间

#include "time.h"
#include "stdio.h"
#include "stdlib.h"
# include "dos.h"
int main(void)
{
   struct  tm t;

   _getsystime(&t);   
   printf("The current time is: %2d:%02d:%02d/n",
          t.tm_hour, t.tm_min, t.tm_sec);
   return 0;
}