Mangled name

?ws@std@@YAAAV?$basic_istream@_WU?$char_traits@_W@std@@@1@AAV21@@Z

Exported by

sizefilenameversion
421200msvcp100.dll10.00.30319.1
815272msvcp120d.dll12.00.21005.1 built by: REL
631616msvcp100d.dll10.00.21003.1
499712msvcp71.dll7.10.3077.0
455328msvcp120.dll12.00.21005.1 built by: REL