internal static HandleRef getCPtr(SWIGTYPE_p_ASTFunction obj) { return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr; }
int swapChildren(SWIGTYPE_p_ASTFunction that) { int ret = libsbmlPINVOKE.ASTBasePlugin_swapChildren(swigCPtr, SWIGTYPE_p_ASTFunction.getCPtr(that)); return(ret); }