#include<string.h>

 #include<stdlib.h>

 #include <stdio.h>

 #include "c1.h"

 int pf1(){

         printf("this is pf1!\n");

         return ;

 }

 int pf2(){

         printf("this is pf2!\n");

         return ;

 }

 int main()

 {

     trans t1[];

     memset(t1,0x00,sizeof(t1));

     memcpy(t1[].tansID,"",);

     t1[].tr = pf1;

     memcpy(t1[].tansID,"",);

     t1[].tr = pf2;

     t1[].tr();

     t1[].tr();

 }