整形指针

int *i = 1;          //the addr of i is 1, not *i = 1char *str = "test";printf("%d", *i);    //right! *i is invalidprintf("%d", i) ;    //diaplay the addr of i printf("%s", str);   //right!int j = 1;int *i = &j;printf("%d", *i)     //right!printf("%d", i)      //right, too!