1void param_test(char my_char, char my_char_2); 2void sub0(void); 3void sub1(char *my_char); 4 5int main(int argc, char **argv) 6{ 7 char my_char = 'y'; 8 9 param_test('y', 'z'); 10 sub0(); 11 sub1(&my_char); 12 13 return 0; 14} 15