谁帮我看下 这串代码错在哪里？

# include <stdio.h>
struct king
{
int i;
double j;
char k;
};
void in(struct king * ki)
{
scanf("%d %lf %c",ki->i,ki->j,ki->k);
}
void out(struct king * ks)
{
printf("%d %lf %c\n",ks->i,ks->j,ks->k);
}
int main(void)
{
struct king kin;
in(&kin);
out(&kin);
return 0;
}