FOUNDATION_EXTERN is an alias for extern in most cases, but also covers us in the event that a method could be mismangled by the compiler as C++ (when we want C-style mangling, for Obj-C compatibility).
FOUNDATION_EXTERN is an alias for extern in most cases, but also covers us in the event that a method could be mismangled by the compiler as C++ (when we want C-style mangling, for Obj-C compatibility).