使用指针递增存贮在其他变量中的值

#include <stdio.h>
int main(void){
long num1=0L;
long num2=0L;
long *pnum=NULL;
pnum=&num1;
*pnum=2;
++num2;
num2+=*pnum;
pnum=&num2;
++*pnum;
printf("\nnum1=%1d num2=%1d *pnum=%1d *pnum+num2=%1d\n",num1,num2,*pnum,*pnum+num2);
return 0;

}
//如果后置必须写成(*pnum)++//