[MSDN Library June 1998] GetCommMask (48.9130434782609%)
MSDN Library Visual Studio 6.0 > Platform SDK > Windows Base Services > Files and I/O > Communications > Communication Reference > Communication Functions
[MSDN Library September 1992] GetCommMask (37.2607655502392%)
Product Documentation > Win32 SDK for Windows NT > Programmer's Reference: API (prelim. ) > API Function Reference > G