What is difference between void and null?

The difference between null and void as term for nothing stems from their place in physical space. A void is nothing but takes up space; null is nothing at all. In other words, you could measure a void but null offers nothing to measure. 4.1 Void is used to indicate that a function/method does not return any data type.

Is 0 same as null in C?

The C standard defines that 0 cast to the type void * is both a null pointer and a null pointer constant. It is implementation defined what the actual definition of NULL is, as long as it is a valid null pointer constant. if (pointer == 0) 0 is another representation of the null pointer constant.

What is the difference between NULL and zero?

Although they sound similar, the terms ‘zero’ and ‘null’ indicate different values. A ‘zero’ value refers to any numeric values, which may comprise to any of the integer, float, short or long etc data types, whereas a ‘null’ value refers to nothing, means there is an empty value, which does not indicate anything.

Is void and NULL the same C++?

So yes, they are different, because a void pointer is a datatype, and a NULL pointer refers to any pointer which is set to NULL.

What is null void?

Definition of null and void : having no force, binding power, or validity.

What is a null in C?

In computer programming, null is both a value and a pointer. Null is a built-in constant that has a value of zero. It is the same as the character 0 used to terminate strings in C. Null can also be the value of a pointer, which is the same as zero unless the CPU supports a special bit pattern for a null pointer.

What is the difference between null and zero?

What does null and void mean to you?

Null and Void. Definition – What does Null and Void mean? Null and void is a phrase that means something is no longer legally valid or admissible. In terms of insurance, it can refer to a policy that will no longer merit coverage from the insurance company probably because of a technicality or a provision in the insurance contract is violated.

Can a prenuptial become null and void?

The issue of timing is important in prenuptial agreements. If a party does not have sufficient time to consider the agreement, then that person has been subject to a type of coercion. This type of coercion can threaten the legitimacy of the contract and make it null and void.

What is the difference between cancel and void?

As verbs the difference between cancel and void is that cancel is to cross out something with lines etc while void is (obsolete) to withdraw, depart. is that cancel is a cancellation (us ); (nonstandard in some kinds of english) while void is an empty space; a vacuum or void can be . having lost all legal validity.

What is the definition of null and void?

Definition of ‘null and void’. null and void. phrase. If an agreement, a declaration, or the result of an election is null and void, it is not legally valid. A spokeswoman said the agreement had been declared null and void. The declaration was null and void as it was proclaimed in completely illegal circumstances.