What defines an opaque type in C, and when are they necessary and/or useful?...

Understanding Opaque Pointers...

Static allocation of opaque data types...

Value of type 'Category' (aka 'OpaquePointer') has no member 'name'...

Interfacing std compatibility to opaque data with external evaluation dispatch...

Opaque C structs: various ways to declare them...

Opaque data type in C...

How do I create a module in MISRAC:2012 that follows Dir 4.12 and 4.8?...

How do you declare a distinct type in C?...

Struggling with Opaque Pointers in SQLITE swift...

Storing OpaquePointer type in UserDefaults...

Opaque pointer not accessable from resident .c file...

C struct information hiding (Opaque pointer)...

How does linking work in C with regards to opaque pointers?...

How do I see inside opaque data types?...

What is an opaque pointer in C?...

Why can't I create an opaque data type?...

When to use Pimpl pattern over Nested class in C++ or vice versa?...

Iterator providing a "view" of its current element...

How to include opaque type in multiple .c files?...

Putting opaque struct definition into a separate header file...

Opaque struct that has some private operations...

In this case, how to modularize program as well as achieving information hiding?...

How to call C functions involving opaque pointers from Fortran 2003 correctly?...

Is it possible to exclude template member variables by conditions on template arguments?...

Using an opaque pointer to a non struct type...

Opaque Pointer error Swift 3.1...

Initialize an AudioConverterRef Swift 3.0...

ABAddressBook fromOpaque(_:) in Swift 3...

'init()' is deprecated: init() will be removed in Swift 3. Use `nil`...