What does the following function return? void index_of_smallest(const double all, int startindex, int numberofslots); a. a double b, numberoflots c. an integer d. nothing

nothing

Explanation:

Because the return type of the function is void. void means does not return any thing.

The syntax of the function:

type name( argument_1, argument_2,)

{

  statement;

}

in the declaration the type define the return type of the function.

it can be int, float, double, char, void etc.

For example:

int count( int index);

the return type of above function is int. So, it return integer.

similarly,

void count(int index);

it return type is void. So, it does not return any thing.

add the following