Which of the functions below has three output parameters according to its definition stated here?

Which of the functions below has three output parameters according to its definition stated here?

void My$\_$func$($int a$,$ int & b$,$ int & c$,$ double & d$,$ int e$)\{...\}$;

double myFunc$($int a$,$ int b$)\{...\}$;

void MyFunc$($int a$,$ int b$,$ int c$)\{...\}$;

void my$\_$Func$($int a$,$ int & b$,$ int & c$,$ double d$,$ int e$)\{...\}$;