Jul 24, 2012 · A void * can be converted to any other pointer type without an explicit cast. You cannot dereference a void * or do pointer arithmetic with it; you must convert it to a pointer to a complete …

Aug 18, 2009 · The void operator evaluates the given expression and then returns undefined. The void operator is often used merely to obtain the undefined primitive value, usually using “ void(0) ” (which …

Jun 25, 2009 · Generic data pointer: void* data -- 'data' is a pointer to data of unknown type, and cannot be dereferenced Note: the void in a function argument is optional in C++, so int myFunc() is exactly …

Oct 11, 2012 · void (*destroy)(void *data) destroy is a pointer to a function which returns void and takes a void* as an argument. cdecl.org is a useful tool for discerning complex C declarations. Also, take a …

Nov 6, 2011 · 3) void* is a special type of generic pointer - it can point to any variable that is not declared with the const or volatile keyword, convert to/from any type of data pointer, and point to all …

Is it possible to dereference a void pointer without type-casting in the C programming language? Also, is there any way of generalizing a function which can receive a pointer and store it in a void

Aug 13, 2012 · You need void** when you need to dereference it and find out what the void* it's pointing to is, or even change that void* to something else. You can't dereference void*, or shouldn't without …

Dec 16, 2011 · A void* pointer is used when you want to indicate a pointer to a hunk of memory without specifying the type. C's malloc returns such a pointer, expecting you to cast it to a particular type …

Mar 20, 2009 · An operator void <expression> was therefore included to permit access to this value. It is sometimes useful, particularly when working with the Web API (e.g. event handlers), to ensure that …

Reading through the Backbone.js source code, I saw this: validObj[attr] = void 0; What is void 0? What is the purpose of using it here?