code: def glGetRenderbufferParameter(target, pname):
      d = -(2**31)  # smallest 32bit integer
      params = (ctypes.c_int * 1)(d)
      FBO.glGetRenderbufferParameteriv(target, pname, params)
      return params[0]
  
imports: import ctypes
  from OpenGL import GL
  import OpenGL.GL.framebufferobjects
label_desc: Use image node_id 20 for calling a global function with example usage: glGetRenderbufferParameter(target, pname) and returns: params