# Module DL consists of three classes, a few module functions and constants.
# The class Symbol represents the symbol we can call. The class PtrData
# indicates a memory block such as a pointer in C. An object instantiated from
# the class Handle keeps a handle to opened library.

⥸塼 DL ϿĤΥ⥸塼ؿ 3 ĤΥ饹
Ƥ롣饹 Symbol ϸƤӽФǤ륷ܥ롣饹 
PtrData ϡC Υݥ󥿤Τ褦ʥ֥å򼨤饹 Handle 
β줿֥Ȥϥץ󤷤饤֥ġ