sizeof

# File ext/dl/lib/dl/import.rb, line 81
    def sizeof(ty)
      case ty
      when String
        ty = parse_ctype(ty, @type_alias).abs()
        case ty
        when TYPE_CHAR
          return SIZEOF_CHAR
        when TYPE_SHORT
          return SIZEOF_SHORT
        when TYPE_INT
          return SIZEOF_INT
        when TYPE_LONG
          return SIZEOF_LONG
        when TYPE_LONG_LONG
          return SIZEOF_LONG_LON
        when TYPE_FLOAT
          return SIZEOF_FLOAT
        when TYPE_DOUBLE
          return SIZEOF_DOUBLE
        when TYPE_VOIDP
          return SIZEOF_VOIDP
        else
          raise(DLError, "unknown type: #{ty}")
        end
      when Class
        if( ty.instance_methods().include?(:to_ptr) )
          return ty.size()
        end
      end
      return CPtr[ty].size()
    end