702   IN OUT EFI_SHELL_PARAMETERS_PROTOCOL  *ShellParameters,  in UpdateStdInStdOutStdErr()  argument
746 …if (ShellParameters == NULL || SystemTableInfo == NULL || OldStdIn == NULL || OldStdOut == NULL ||…  in UpdateStdInStdOutStdErr()
756   *OldStdIn                       = ShellParameters->StdIn;  in UpdateStdInStdOutStdErr()
757   *OldStdOut                      = ShellParameters->StdOut;  in UpdateStdInStdOutStdErr()
758   *OldStdErr                      = ShellParameters->StdErr;  in UpdateStdInStdOutStdErr()
777       ShellParameters->StdIn  = Split->SplitStdIn;  in UpdateStdInStdOutStdErr()
780       ShellParameters->StdOut = Split->SplitStdOut;  in UpdateStdInStdOutStdErr()
1121       ShellParameters->StdIn  = *OldStdIn;  in UpdateStdInStdOutStdErr()
1122       ShellParameters->StdOut = *OldStdOut;  in UpdateStdInStdOutStdErr()
1123       ShellParameters->StdErr = *OldStdErr;  in UpdateStdInStdOutStdErr()
1148           ShellParameters->StdErr = TempHandle;  in UpdateStdInStdOutStdErr()
1191             ShellParameters->StdOut = TempHandle;  in UpdateStdInStdOutStdErr()
1209         ShellParameters->StdOut = TempHandle;  in UpdateStdInStdOutStdErr()
1225         ShellParameters->StdErr = TempHandle;  in UpdateStdInStdOutStdErr()
1244             ShellParameters->StdIn = TempHandle;  in UpdateStdInStdOutStdErr()
1266           ShellParameters->StdIn = TempHandle;  in UpdateStdInStdOutStdErr()
1301   IN OUT EFI_SHELL_PARAMETERS_PROTOCOL  *ShellParameters,  in RestoreStdInStdOutStdErr()  argument
1310   if (ShellParameters == NULL   in RestoreStdInStdOutStdErr()
1322   if (ShellParameters->StdIn  != *OldStdIn) {  in RestoreStdInStdOutStdErr()
1323     if ((Split != NULL && Split->SplitStdIn != ShellParameters->StdIn) || Split == NULL) {  in RestoreStdInStdOutStdErr()
1324       gEfiShellProtocol->CloseFile(ShellParameters->StdIn);  in RestoreStdInStdOutStdErr()
1326     ShellParameters->StdIn = *OldStdIn;  in RestoreStdInStdOutStdErr()
1328   if (ShellParameters->StdOut != *OldStdOut) {  in RestoreStdInStdOutStdErr()
1329     if ((Split != NULL && Split->SplitStdOut != ShellParameters->StdOut) || Split == NULL) {  in RestoreStdInStdOutStdErr()
1330       gEfiShellProtocol->CloseFile(ShellParameters->StdOut);  in RestoreStdInStdOutStdErr()
1332     ShellParameters->StdOut = *OldStdOut;  in RestoreStdInStdOutStdErr()
1334   if (ShellParameters->StdErr != *OldStdErr) {  in RestoreStdInStdOutStdErr()
1335     gEfiShellProtocol->CloseFile(ShellParameters->StdErr);  in RestoreStdInStdOutStdErr()
1336     ShellParameters->StdErr = *OldStdErr;  in RestoreStdInStdOutStdErr()
1377   IN OUT EFI_SHELL_PARAMETERS_PROTOCOL  *ShellParameters,  in UpdateArgcArgv()  argument
1386   ASSERT(ShellParameters != NULL);  in UpdateArgcArgv()
1390     *OldArgc = ShellParameters->Argc;  in UpdateArgcArgv()
1393     *OldArgv = ShellParameters->Argv;  in UpdateArgcArgv()
1402                                  &(ShellParameters->Argv),   in UpdateArgcArgv()
1403                                  &(ShellParameters->Argc)  in UpdateArgcArgv()
1418   IN OUT EFI_SHELL_PARAMETERS_PROTOCOL  *ShellParameters,  in RestoreArgcArgv()  argument
1424   ASSERT(ShellParameters != NULL);  in RestoreArgcArgv()
1428   if (ShellParameters->Argv != NULL) {  in RestoreArgcArgv()
1430         ; LoopCounter < ShellParameters->Argc  in RestoreArgcArgv()
1433       FreePool(ShellParameters->Argv[LoopCounter]);  in RestoreArgcArgv()
1435     FreePool(ShellParameters->Argv);  in RestoreArgcArgv()
1437   ShellParameters->Argv = *OldArgv;  in RestoreArgcArgv()
1439   ShellParameters->Argc = *OldArgc;  in RestoreArgcArgv()