#define,static,typedef

#include<stdio.h>

int main()

{

int a =10;
int* p=&a;

return 0;

}

//解释 typedef关键字作用为类型定义，类型重定义 /*int main()

{ typedef unsigned int unint; unsigned int num=1;

unint num1=2; printf("%d\n",num,num1);

return 0; }*/

/解释exp?exp:exp;意思，意义有于判断/

//int main()

//{ //int a=30; //int b=20; //int max=0;

//max=(a>b?a:b);
//printf("较大的是%d\n",max);
// return 0;

//}