Consider the following function heading:

double nameTest $($string name, char $u,$ int num, double $y)$

$\{$

$//$function body goes here

$3$

Which of the following is$/$are correct funfetion prototype$($s$)$ of the function nameTest?

$($a$)$ int nameTest$($name$,u,$ num, $y)$;

$($b$)$ double nameTest $($name$,$ u$,$ num, y$)$

$($c$)$ double nameTest $($string$,$ char, int, double$)$;

$($d$)$ double nameTest $($string $n,$ char ch$,$ int $x,$ double $t)$;

Only $($c$)$ and $($d$)$ are correct function prototypes