#include<stdio.h>
char swap(char *words1,char *words2);
main()
{
    char *arr,*arry;
    char c[]="aChina";
    char put[5];
    for(arr=c,arry=put;arr<(c+5);arr++,arry++){
        swap(arr,arry);
        printf("%s\n",*arry);
    }
}
char swap(char *words1,char *words2)
{
    *words2=*words1+4;
    return *words2;
}