error LNK2005: "public: __thiscall std::basic_string……already defined in……
msvcprtd.lib(MSVCP80D.dll):errorLNK2005:"public:__thiscallstd::basic_string,classstd::allocator>::~basic_string,classstd::allocator>(void)"(??1?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@s