If a function does not have return type, it is declared as _____________.Select one:longintvoiddouble

Break Down the Problem

1. We need to identify the correct keyword that indicates a function does not return a value.
2. The options provided are: longint, void, double.

Relevant Concepts

• In programming, functions can be defined with different return types. A return type indicates what type of value the function will return after execution.
• A return type of void signifies that the function does not return any value.

Analysis and Detail

1. longint: This is not a standard return type in most programming languages and indicates a data type.
2. void: This indicates that the function will not return a value, making it the correct choice.
3. double: This is a data type that indicates a function will return a floating-point number.

Verify and Summarize

The only return type from the options provided that signifies no return value is void.

Final Answer

void