anchor.diff:    (:ai-component-lights 256)
     (:ai-component-cameras 512)
     (:ai-component-meshes 1024)
  -  (:ai-component-materials 2048)
  -  (:_ai-component-force-32-bit -1610612737))
  +  (:ai-component-materials 2048))
   
   (cffi::defctype ai-file-open-proc :pointer)
   
  
positive.code:   (m-time :double)
    (m-value ai-quaternion))
  
  (cffi:defcenum ai-anim-behaviour
    (:ai-anim-behaviour-default 0)
    (:ai-anim-behaviour-constant 1)
    (:ai-anim-behaviour-linear 2)
    (:ai-anim-behaviour-repeat 3)
    (:_ai-anim-behaviour-force-32-bit -1879048193))
  
  (cffi:defcstruct ai-node-anim
    (m-node-name ai-string)
  
negative.code:   (x :float)
    (y :float))
  
  (cffi:defcenum (ai-return :int)
    (:ai-return-success 0)
    (:ai-return-failure -1)
    (:ai-return-outofmemory -3))
  
  (cffi:defcstruct ai-vector-key
    (m-time :double)
  