4.3 List Readers Call

 IoControlCode = SCARD_IOCTL_LISTREADERSW
 CompletionId = 0
 ListReaders_Call {
 Context = {cbContext = 4, pbContext = {0x00,0x00,0x01,0xcd} }
 cBytes = 44
 mszGroups = L"SCard$DefaultReaders\0\0"
 fmszReadersIsNULL = 0
               cchReaders = 0xFFFFFFFF
 }