pointer to the previous element of the stack,
gets stored in the first sizeof (gpointer)
bytes of the element
Returns the height of a #GTrashStack.
Note that execution of this function is of O(N) complexity where N denotes the number of items on the stack.
a #GTrashStack
Returns the element at the top of a #GTrashStack which may be %NULL.
a #GTrashStack
Pops a piece of memory off a #GTrashStack.
a #GTrashStack
Pushes a piece of memory onto a #GTrashStack.
a #GTrashStack
the piece of memory to push on the stack
Each piece of memory that is pushed onto the stack is cast to a GTrashStack*.