Does void take memory?

6 Answers. the void type does not take any bits. you cannot declare a variable of type void.

What is keyword void in C?

In computer programming, when void is used as a function return type, it indicates that the function does not return a value. When void appears in a pointer declaration, it specifies that the pointer is universal. When used in a function’s parameter list, void indicates that the function takes no parameters.

How many bytes is a void?

If the system is 32-bit, size of void pointer is 4 bytes. If the system is 64-bit, size of void pointer is 8 bytes.

Is void a data type?

Void is considered a data type (for organizational purposes), but it is basically a keyword to use as a placeholder where you would put a data type, to represent “no data”.

What is the role of keyword void in declaring functions?

When used as a function return type, the void keyword specifies that the function doesn’t return a value. When used for a function’s parameter list, void specifies that the function takes no parameters.

How do you write a void function?

The purpose of this web page is to help you in using user defined functions in C++. Function is a very important concept in C++. Every C++ program must have a main() function which is what you have been using so far.

What is use of void data type?

The void data type is typically used in the definition and prototyping of functions to indicate that either nothing is being passed in and/or nothing is being returned.

What is the size of void * in C?

5 Answers. The size of a void* is a platform dependent value. Typically it’s value is 4 or 8 bytes for 32 and 64 bit platforms respectively.

How big is void?

The void, which is about 6 billion to 10 billion light years away, is considerably larger than any found before.

Is void a variable in C?

The void pointer in C is a pointer which is not associated with any data types. It points to some data location in the storage means points to the address of variables. It is also called general purpose pointer. In C, malloc() and calloc() functions return void * or generic pointers.

Why is void main used in C?

The void main() indicates that the main() function will not return any value, but the int main() indicates that the main() can return integer type data. When our program is simple, and it is not going to terminate before reaching the last line of the code, or the code is error free, then we can use the void main().

What is the role of the keyword void in declaring Functions II if a function contains several return statements how many of them will be executed?

A function can have multiple return statements but only one of them will be executed because once a return statement is executed, the program control moves back to the caller function skipping the remaining statements of the current function.