At this point of the lifetime C-language, hoping for the commonly accepted terminology to change, is probably futile. Anyway, for out parameters, the common con

At this point of the lifetime C-language, hoping for the commonly accepted terminology to change, is probably futile. Anyway, for out parameters, the common convention is: Caller provides one object for output: void callee(Obj *obj); Caller provides an array for output: void callee(Obj *obj, size_t obj_size); Caller provides an pointer, to which callee allocates a new object: void callee(Obj **obj)