diff --git a/modules/rostests/apitests/spoolss/MarshallDownStructuresArray.c b/modules/rostests/apitests/spoolss/MarshallDownStructuresArray.c
index 7b7deba6f4b..e4033b0ac49 100644
--- a/modules/rostests/apitests/spoolss/MarshallDownStructuresArray.c
+++ b/modules/rostests/apitests/spoolss/MarshallDownStructuresArray.c
@@ -32,7 +32,7 @@ START_TEST(MarshallDownStructuresArray)
     PPORT_INFO_2W pPortInfo2Copy;
     PPORT_INFO_2W pPortInfo2Test;
     PBYTE pPortInfoEnd;
-    PWSTR pwszStrings[] = { L"PortName", L"MonitorName", L"Description" };
+    PCWSTR pwszStrings[] = { L"PortName", L"MonitorName", L"Description" };
     DWORD cbPortInfo2Size = cElements * (sizeof(PORT_INFO_2W) + (wcslen(pwszStrings[0]) + 1 + wcslen(pwszStrings[1]) + 1 + wcslen(pwszStrings[2]) + 1) * sizeof(WCHAR));
     DWORD fPortType = 1337;
     DWORD Reserved = 42;
diff --git a/modules/rostests/apitests/spoolss/PackStrings.c b/modules/rostests/apitests/spoolss/PackStrings.c
index d0285f432d6..d572b5f5e11 100644
--- a/modules/rostests/apitests/spoolss/PackStrings.c
+++ b/modules/rostests/apitests/spoolss/PackStrings.c
@@ -21,8 +21,8 @@ EXAMPLE_STRUCT, *PEXAMPLE_STRUCT;
 
 START_TEST(PackStrings)
 {
-    PWSTR Source1[] = { L"Test", L"String" };
-    PWSTR Source2[] = { L"Test", NULL };
+    PCWSTR Source1[] = { L"Test", L"String" };
+    PCWSTR Source2[] = { L"Test", NULL };
 
     BYTE Buffer[50];
     PBYTE pEnd;
diff --git a/win32ss/printing/base/spoolss/tools.c b/win32ss/printing/base/spoolss/tools.c
index 7b8410a41a1..97d781c66aa 100644
--- a/win32ss/printing/base/spoolss/tools.c
+++ b/win32ss/printing/base/spoolss/tools.c
@@ -36,7 +36,7 @@
  * The strings are copied in reverse order, so this pointer will point to the last copied string of pSource.
  */
 PBYTE WINAPI
-PackStrings(PWSTR* pSource, PBYTE pDest, const DWORD* DestOffsets, PBYTE pEnd)
+PackStrings(PCWSTR* pSource, PBYTE pDest, const DWORD* DestOffsets, PBYTE pEnd)
 {
     DWORD cbString;
     ULONG_PTR StringAddress;
diff --git a/win32ss/printing/include/spoolss.h b/win32ss/printing/include/spoolss.h
index 7e1c132dcfe..a16cca49ae8 100644
--- a/win32ss/printing/include/spoolss.h
+++ b/win32ss/printing/include/spoolss.h
@@ -63,7 +63,7 @@ PVOID WINAPI DllAllocSplMem(DWORD dwBytes);
 BOOL WINAPI DllFreeSplMem(PVOID pMem);
 BOOL WINAPI DllFreeSplStr(PWSTR pwszString);
 BOOL WINAPI InitializeRouter(HANDLE SpoolerStatusHandle);
-PBYTE WINAPI PackStrings(PWSTR* pSource, PBYTE pDest, const DWORD* DestOffsets, PBYTE pEnd);
+PBYTE WINAPI PackStrings(PCWSTR* pSource, PBYTE pDest, const DWORD* DestOffsets, PBYTE pEnd);
 PVOID WINAPI ReallocSplMem(PVOID pOldMem, DWORD cbOld, DWORD cbNew);
 BOOL WINAPI ReallocSplStr(PWSTR* ppwszString, PCWSTR pwszInput);
 BOOL WINAPI SplInitializeWinSpoolDrv(PVOID* pTable);
diff --git a/win32ss/printing/monitors/localmon/ports.c b/win32ss/printing/monitors/localmon/ports.c
index ab4b7bff499..bee1a22fb23 100644
--- a/win32ss/printing/monitors/localmon/ports.c
+++ b/win32ss/printing/monitors/localmon/ports.c
@@ -374,7 +374,7 @@ static void
 _LocalmonGetPortLevel1(PLOCALMON_PORT pPort, PPORT_INFO_1W* ppPortInfo, PBYTE* ppPortInfoEnd, PDWORD pcbNeeded)
 {
     DWORD cbPortName;
-    PWSTR pwszStrings[1];
+    PCWSTR pwszStrings[1];
 
     // Calculate the string lengths.
     if (!ppPortInfo)
@@ -397,7 +397,7 @@ static void
 _LocalmonGetPortLevel2(PLOCALMON_PORT pPort, PPORT_INFO_2W* ppPortInfo, PBYTE* ppPortInfoEnd, PDWORD pcbNeeded)
 {
     DWORD cbPortName;
-    PWSTR pwszStrings[3];
+    PCWSTR pwszStrings[3];
 
     // Calculate the string lengths.
     if (!ppPortInfo)
diff --git a/win32ss/printing/processors/winprint/main.c b/win32ss/printing/processors/winprint/main.c
index 6d0f07313ec..4bbe3d6cc54 100644
--- a/win32ss/printing/processors/winprint/main.c
+++ b/win32ss/printing/processors/winprint/main.c
@@ -8,7 +8,7 @@
 #include "precomp.h"
 
 // Local Constants
-static PWSTR _pwszDatatypes[] = {
+static PCWSTR _pwszDatatypes[] = {
     L"RAW",
     0
 };
@@ -113,7 +113,7 @@ EnumPrintProcessorDatatypesW(PWSTR pName, PWSTR pPrintProcessorName, DWORD Level
     DWORD cbDatatype;
     DWORD dwDatatypeCount = 0;
     DWORD dwOffsets[_countof(_pwszDatatypes)];
-    PWSTR* pCurrentDatatype;
+    PCWSTR* pCurrentDatatype;
     PDWORD pCurrentOffset = dwOffsets;
 
     TRACE("EnumPrintProcessorDatatypesW(%S, %S, %lu, %p, %lu, %p, %p)\n", pName, pPrintProcessorName, Level, pDatatypes, cbBuf, pcbNeeded, pcReturned);
diff --git a/win32ss/printing/providers/localspl/jobs.c b/win32ss/printing/providers/localspl/jobs.c
index ea6e219a22b..44d11b69f05 100644
--- a/win32ss/printing/providers/localspl/jobs.c
+++ b/win32ss/printing/providers/localspl/jobs.c
@@ -455,7 +455,7 @@ _LocalGetJobLevel1(PLOCAL_JOB pJob, PJOB_INFO_1W* ppJobInfo, PBYTE* ppJobInfoEnd
     DWORD cbPrinterName;
     DWORD cbStatus = 0;
     DWORD cbUserName = 0;
-    PWSTR pwszStrings[6];
+    PCWSTR pwszStrings[6];
 
     // Calculate the string lengths.
     if (!ppJobInfo)
@@ -536,7 +536,7 @@ _LocalGetJobLevel2(PLOCAL_JOB pJob, PJOB_INFO_2W* ppJobInfo, PBYTE* ppJobInfoEnd
     DWORD cbUserName = 0;
     FILETIME ftNow;
     FILETIME ftSubmitted;
-    PWSTR pwszStrings[10];
+    PCWSTR pwszStrings[10];
     ULARGE_INTEGER uliNow;
     ULARGE_INTEGER uliSubmitted;
 
diff --git a/win32ss/printing/providers/localspl/main.c b/win32ss/printing/providers/localspl/main.c
index 95105f2a27e..76660504463 100644
--- a/win32ss/printing/providers/localspl/main.c
+++ b/win32ss/printing/providers/localspl/main.c
@@ -24,7 +24,7 @@ const DWORD dwSpoolerMinorVersion = 0;
 
 const WCHAR wszDefaultDocumentName[] = L"Local Downlevel Document";
 
-PWSTR wszPrintProviderInfo[3] = {
+PCWSTR wszPrintProviderInfo[3] = {
     L"Windows NT Local Print Providor",     // Name
     L"Locally connected Printers",          // Comment
     L"Windows NT Local Printers"            // Description
diff --git a/win32ss/printing/providers/localspl/monitors.c b/win32ss/printing/providers/localspl/monitors.c
index da47850c718..9a04ca72686 100644
--- a/win32ss/printing/providers/localspl/monitors.c
+++ b/win32ss/printing/providers/localspl/monitors.c
@@ -257,7 +257,7 @@ static void
 _LocalGetMonitorLevel1(PLOCAL_PRINT_MONITOR pPrintMonitor, PMONITOR_INFO_1W* ppMonitorInfo, PBYTE* ppMonitorInfoEnd, PDWORD pcbNeeded)
 {
     DWORD cbMonitorName;
-    PWSTR pwszStrings[1];
+    PCWSTR pwszStrings[1];
 
     // Calculate the string lengths.
     if (!ppMonitorInfo)
@@ -281,7 +281,7 @@ _LocalGetMonitorLevel2(PLOCAL_PRINT_MONITOR pPrintMonitor, PMONITOR_INFO_2W* ppM
 {
     DWORD cbFileName;
     DWORD cbMonitorName;
-    PWSTR pwszStrings[3];
+    PCWSTR pwszStrings[3];
 
     // Calculate the string lengths.
     if (!ppMonitorInfo)
diff --git a/win32ss/printing/providers/localspl/precomp.h b/win32ss/printing/providers/localspl/precomp.h
index 0c97f22c856..83061a8a8b7 100644
--- a/win32ss/printing/providers/localspl/precomp.h
+++ b/win32ss/printing/providers/localspl/precomp.h
@@ -264,7 +264,7 @@ extern const DWORD dwSpoolerMinorVersion;
 extern const WCHAR wszDefaultDocumentName[];
 extern HKEY hPrintKey;
 extern HKEY hPrintersKey;
-extern PWSTR wszPrintProviderInfo[3];
+extern PCWSTR wszPrintProviderInfo[3];
 extern WCHAR wszJobDirectory[MAX_PATH];
 extern DWORD cchJobDirectory;
 extern WCHAR wszSpoolDirectory[MAX_PATH];
diff --git a/win32ss/printing/providers/localspl/printers.c b/win32ss/printing/providers/localspl/printers.c
index 7c9c2dd3b53..c0140142c63 100644
--- a/win32ss/printing/providers/localspl/printers.c
+++ b/win32ss/printing/providers/localspl/printers.c
@@ -491,8 +491,8 @@ static void
 _LocalGetPrinterLevel0(PLOCAL_PRINTER pPrinter, PPRINTER_INFO_STRESS* ppPrinterInfo, PBYTE* ppPrinterInfoEnd, PDWORD pcbNeeded, DWORD cchComputerName, PCWSTR wszComputerName)
 {
     size_t cbName;
-    PWSTR p;
-    PWSTR pwszStrings[1];
+    PWSTR p, Allocation;
+    PCWSTR pwszStrings[1];
     SYSTEM_INFO SystemInfo;
 
     // Calculate the string lengths.
@@ -521,8 +521,8 @@ _LocalGetPrinterLevel0(PLOCAL_PRINTER pPrinter, PPRINTER_INFO_STRESS* ppPrinterI
     (*ppPrinterInfo)->wProcessorLevel = SystemInfo.wProcessorLevel;
 
     // Copy the Printer Name.
-    pwszStrings[0] = DllAllocSplMem(cbName);
-    p = pwszStrings[0];
+    p = Allocation = DllAllocSplMem(cbName);
+    pwszStrings[0] = Allocation;
     StringCbCopyExW(p, cbName, wszComputerName, &p, &cbName, 0);
     StringCbCopyExW(p, cbName, pPrinter->pwszPrinterName, &p, &cbName, 0);
 
@@ -531,7 +531,7 @@ _LocalGetPrinterLevel0(PLOCAL_PRINTER pPrinter, PPRINTER_INFO_STRESS* ppPrinterI
     (*ppPrinterInfo)++;
 
     // Free the memory for temporary strings.
-    DllFreeSplMem(pwszStrings[0]);
+    DllFreeSplMem(Allocation);
 }
 
 static void
@@ -542,8 +542,8 @@ _LocalGetPrinterLevel1(PLOCAL_PRINTER pPrinter, PPRINTER_INFO_1W* ppPrinterInfo,
     size_t cbName;
     size_t cbComment;
     size_t cbDescription;
-    PWSTR p;
-    PWSTR pwszStrings[3];
+    PWSTR p, Allocation1, Allocation2;
+    PCWSTR pwszStrings[3];
 
     // Calculate the string lengths.
     // Attention: pComment equals the "Description" registry value while pDescription is concatenated out of several strings.
@@ -562,8 +562,8 @@ _LocalGetPrinterLevel1(PLOCAL_PRINTER pPrinter, PPRINTER_INFO_1W* ppPrinterInfo,
     (*ppPrinterInfo)->Flags = PRINTER_ENUM_ICON8;
 
     // Copy the Printer Name.
-    pwszStrings[0] = DllAllocSplMem(cbName);
-    p = pwszStrings[0];
+    p = Allocation1 = DllAllocSplMem(cbName);
+    pwszStrings[0] = Allocation1;
     StringCbCopyExW(p, cbName, wszComputerName, &p, &cbName, 0);
     StringCbCopyExW(p, cbName, pPrinter->pwszPrinterName, &p, &cbName, 0);
 
@@ -571,8 +571,8 @@ _LocalGetPrinterLevel1(PLOCAL_PRINTER pPrinter, PPRINTER_INFO_1W* ppPrinterInfo,
     pwszStrings[1] = pPrinter->pwszDescription;
 
     // Copy the description, which for PRINTER_INFO_1W has the form "Name,Printer Driver,Location"
-    pwszStrings[2] = DllAllocSplMem(cbDescription);
-    p = pwszStrings[2];
+    p = Allocation2 = DllAllocSplMem(cbDescription);
+    pwszStrings[2] = Allocation2;
     StringCbCopyExW(p, cbDescription, wszComputerName, &p, &cbDescription, 0);
     StringCbCopyExW(p, cbDescription, pPrinter->pwszPrinterName, &p, &cbDescription, 0);
     StringCbCopyExW(p, cbDescription, wszComma, &p, &cbDescription, 0);
@@ -585,8 +585,8 @@ _LocalGetPrinterLevel1(PLOCAL_PRINTER pPrinter, PPRINTER_INFO_1W* ppPrinterInfo,
     (*ppPrinterInfo)++;
 
     // Free the memory for temporary strings.
-    DllFreeSplMem(pwszStrings[0]);
-    DllFreeSplMem(pwszStrings[2]);
+    DllFreeSplMem(Allocation1);
+    DllFreeSplMem(Allocation2);
 }
 
 static void
@@ -605,8 +605,8 @@ _LocalGetPrinterLevel2(PLOCAL_PRINTER pPrinter, PPRINTER_INFO_2W* ppPrinterInfo,
     size_t cbPrintProcessor;
     size_t cbDatatype;
     size_t cbParameters;
-    PWSTR p;
-    PWSTR pwszStrings[10];
+    PWSTR p, Allocation;
+    PCWSTR pwszStrings[10];
 
     // Calculate the string lengths.
     cbDevMode = pPrinter->pDefaultDevMode->dmSize + pPrinter->pDefaultDevMode->dmDriverExtra;
@@ -641,8 +641,8 @@ _LocalGetPrinterLevel2(PLOCAL_PRINTER pPrinter, PPRINTER_INFO_2W* ppPrinterInfo,
     (*ppPrinterInfo)->pDevMode = (PDEVMODEW)(*ppPrinterInfoEnd);
 
     // Set the pPrinterName field.
-    pwszStrings[0] = DllAllocSplMem(cbPrinterName);
-    p = pwszStrings[0];
+    p = Allocation = DllAllocSplMem(cbPrinterName);
+    pwszStrings[0] = Allocation;
     StringCbCopyExW(p, cbPrinterName, wszComputerName, &p, &cbPrinterName, 0);
     StringCbCopyExW(p, cbPrinterName, pPrinter->pwszPrinterName, &p, &cbPrinterName, 0);
 
@@ -678,7 +678,7 @@ _LocalGetPrinterLevel2(PLOCAL_PRINTER pPrinter, PPRINTER_INFO_2W* ppPrinterInfo,
     (*ppPrinterInfo)++;
 
     // Free the memory for temporary strings.
-    DllFreeSplMem(pwszStrings[0]);
+    DllFreeSplMem(Allocation);
 }
 
 static void
@@ -707,8 +707,8 @@ static void
 _LocalGetPrinterLevel4(PLOCAL_PRINTER pPrinter, PPRINTER_INFO_4W* ppPrinterInfo, PBYTE* ppPrinterInfoEnd, PDWORD pcbNeeded, DWORD cchComputerName, PCWSTR wszComputerName)
 {
     size_t cbPrinterName;
-    PWSTR p;
-    PWSTR pwszStrings[1];
+    PWSTR p, Allocation;
+    PCWSTR pwszStrings[1];
 
     // Calculate the string lengths.
     cbPrinterName = (cchComputerName + wcslen(pPrinter->pwszPrinterName) + 1) * sizeof(WCHAR);
@@ -724,8 +724,8 @@ _LocalGetPrinterLevel4(PLOCAL_PRINTER pPrinter, PPRINTER_INFO_4W* ppPrinterInfo,
     (*ppPrinterInfo)->Attributes = pPrinter->dwAttributes;
 
     // Set the pPrinterName field.
-    pwszStrings[0] = DllAllocSplMem(cbPrinterName);
-    p = pwszStrings[0];
+    p = Allocation = DllAllocSplMem(cbPrinterName);
+    pwszStrings[0] = Allocation;
     StringCbCopyExW(p, cbPrinterName, wszComputerName, &p, &cbPrinterName, 0);
     StringCbCopyExW(p, cbPrinterName, pPrinter->pwszPrinterName, &p, &cbPrinterName, 0);
 
@@ -734,7 +734,7 @@ _LocalGetPrinterLevel4(PLOCAL_PRINTER pPrinter, PPRINTER_INFO_4W* ppPrinterInfo,
     (*ppPrinterInfo)++;
 
     // Free the memory for temporary strings.
-    DllFreeSplMem(pwszStrings[0]);
+    DllFreeSplMem(Allocation);
 }
 
 static void
@@ -742,8 +742,8 @@ _LocalGetPrinterLevel5(PLOCAL_PRINTER pPrinter, PPRINTER_INFO_5W* ppPrinterInfo,
 {
     size_t cbPrinterName;
     size_t cbPortName;
-    PWSTR p;
-    PWSTR pwszStrings[2];
+    PWSTR p, Allocation;
+    PCWSTR pwszStrings[2];
 
     // Calculate the string lengths.
     cbPrinterName = (cchComputerName + wcslen(pPrinter->pwszPrinterName) + 1) * sizeof(WCHAR);
@@ -762,8 +762,8 @@ _LocalGetPrinterLevel5(PLOCAL_PRINTER pPrinter, PPRINTER_INFO_5W* ppPrinterInfo,
     (*ppPrinterInfo)->TransmissionRetryTimeout = dwTransmissionRetryTimeout;
 
     // Set the pPrinterName field.
-    pwszStrings[0] = DllAllocSplMem(cbPrinterName);
-    p = pwszStrings[0];
+    p = Allocation = DllAllocSplMem(cbPrinterName);
+    pwszStrings[0] = Allocation;
     StringCbCopyExW(p, cbPrinterName, wszComputerName, &p, &cbPrinterName, 0);
     StringCbCopyExW(p, cbPrinterName, pPrinter->pwszPrinterName, &p, &cbPrinterName, 0);
 
@@ -775,7 +775,7 @@ _LocalGetPrinterLevel5(PLOCAL_PRINTER pPrinter, PPRINTER_INFO_5W* ppPrinterInfo,
     (*ppPrinterInfo)++;
 
     // Free the memory for temporary strings.
-    DllFreeSplMem(pwszStrings[0]);
+    DllFreeSplMem(Allocation);
 }
 
 static void