src.c:16:5: error: redefinition of 'main'
int main()
^
src.c:2:5: note: previous definition of 'main' was here
int main()
^
src.c:23:6: error: redefinition of 'print_star'
void print_star()
^
src.c:8:6: note: previous definition of 'print_star' was here
void print_star()
^
src.c:27:6: error: redefinition of 'print_message'
void print_message()
^
src.c:12:6: note: previous definition of 'print_message' was here
void print_message()
^