In c explain what is printed in prob1,2,3,4?

int nice2(int *val1, int *val2){

val1=val2;

*val2= *val1;

printf(%d, *val1); //prob1

return *val1+*val2;

}

int have= 5;

int *aPointr= &have;

int *first= int( *)malloc(sizeof(int));

*first= 4;

int fifth= nice2(aPointr, first);

printf(%d, fifth);//prob2

printf(%d, have);//prob1

printf(%d, first);//prob1