#include <iostream>
#include <time.h>
using namespace std;
int main()
{
struct tm pp,*p = NULL;//如果这里不初始化,此时p不是NULL
if(p == NULL)
{
cout<<"hello"<<endl;
}
system("PAUSE");
}
#include <time.h>
using namespace std;
int main()
{
struct tm pp,*p = NULL;//如果这里不初始化,此时p不是NULL
if(p == NULL)
{
cout<<"hello"<<endl;
}
system("PAUSE");
}