Mangled name

?in_avail@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JXZ

Exported by

sizefilenameversion
661448msvcp110.dll11.00.50727.1 built by: RTMREL
981552msvcp140d.dll14.16.27024.1 built by: vcwrkspc
660128msvcp120.dll12.00.21005.1 built by: REL
853312msvcp90.dll9.00.30729.4148