__readgsbyte, __readgsdword, __readgsqword, __readgsword
Microsoft Specific
Read memory from a location specified by an offset relative to the beginning of the GS segment.
unsigned char __readgsbyte( unsigned long Offset ); unsigned short __readgsword( unsigned long Offset ); unsigned long __readgsdword( unsigned long Offset ); unsigned __int64 __readgsqword( unsigned long Offset );