Jun 25, 2009 · Passing a void value takes up zero bytes, so passing void values is just a special case of passing other values of arbitrary size. This makes it easy for the compiler to treat the "void" result or …

Aug 5, 2025 · When used in the declaration of a pointer, void specifies that the pointer is "universal." If a pointer's type is void*, the pointer can point to any variable that's not declared with the const or …

Aug 29, 2023 · Void is the easiest of the data types to explain. Basically, void means “no type”! Void is our first example of an incomplete type. An incomplete type is a type that has been declared but not …

Aug 2, 2025 · In C++, a void pointer is a pointer that is declared using the 'void' keyword (void*). It is different from regular pointers it is used to point to data of no specified data type.

The term `void` in C++ signifies the absence of a value. It's a fundamental keyword that plays a pivotal role in defining the actions of functions. Unlike other data types, such as `int`, `float`, or `char`, which …

Variables of this type are pointers to data of an unspecified type, so in this context (but not the others) void* acts roughly like a universal or any type; it does not literally "point" to a void in memory.

Jul 24, 2012 · In C++, void represents the absence of type, so void pointers are pointers that point to a value that has no type (and thus also an undetermined length and undetermined dereference …

Nov 14, 2025 · void pointers used along with Function pointers of type void (*) (void) point to the functions that take any arguments and return any value. void pointers are mainly used in the …

Apr 28, 2019 · When used in a function's parameter list, void indicates that the function takes no parameters. Void functions, also called nonvalue-returning functions, are used just like value …

Sep 4, 2024 · A void pointer (void *) is a special type of pointer that can point to any data type. However, since the type is not specified, you must cast it to the appropriate type before dereferencing it.