diff --git a/reactos/dll/win32/ws2_32_new/src/addrinfo.c b/reactos/dll/win32/ws2_32_new/src/addrinfo.c
index 69d45261037..8e0b3aa3505 100644
--- a/reactos/dll/win32/ws2_32_new/src/addrinfo.c
+++ b/reactos/dll/win32/ws2_32_new/src/addrinfo.c
@@ -87,15 +87,18 @@ WINAPI
 ParseV4Address(IN PCWSTR AddressString,
                OUT PDWORD pAddress)
 {
-    DWORD Address;
-    LPWSTR Ip = 0;
+    IN_ADDR Address;
+    PCWSTR Terminator;
+    NTSTATUS Status;
 
-    /* Do the conversion, don't accept wildcard */
-    RtlIpv4StringToAddressW((LPWSTR)AddressString, 0, &Ip, (IN_ADDR *)&Address);
+    *pAddress = 0;
+    Status = RtlIpv4StringToAddressW(AddressString, FALSE, &Terminator, &Address);
 
-    /* Return the address and success */
-    *pAddress = Address;
-    return FALSE;
+    if (!NT_SUCCESS(Status))
+        return FALSE;
+
+    *pAddress = Address.S_un.S_addr;
+    return TRUE;
 }
 
 static
diff --git a/reactos/include/ndk/rtlfuncs.h b/reactos/include/ndk/rtlfuncs.h
index 405e16d86f6..c0a205c473f 100644
--- a/reactos/include/ndk/rtlfuncs.h
+++ b/reactos/include/ndk/rtlfuncs.h
@@ -3991,16 +3991,46 @@ RtlComputeCrc32(
 //
 // Network Functions
 //
+NTSYSAPI
+NTSTATUS
+NTAPI
+RtlIpv4StringToAddressA(
+    _In_ PCSTR String,
+    _In_ BOOLEAN Strict,
+    _Out_ PCSTR *Terminator,
+    _Out_ struct in_addr *Addr
+);
+
 NTSYSAPI
 NTSTATUS
 NTAPI
 RtlIpv4StringToAddressW(
     _In_ PCWSTR String,
     _In_ BOOLEAN Strict,
-    _Out_ LPWSTR *Terminator,
+    _Out_ PCWSTR *Terminator,
     _Out_ struct in_addr *Addr
 );
 
+NTSYSAPI
+NTSTATUS
+NTAPI
+RtlIpv4StringToAddressExA(
+    _In_ PCSTR AddressString,
+    _In_ BOOLEAN Strict,
+    _Out_ struct in_addr *Address,
+    _Out_ PUSHORT Port
+);
+
+NTSYSAPI
+NTSTATUS
+NTAPI
+RtlIpv4StringToAddressExW(
+    _In_ PCWSTR AddressString,
+    _In_ BOOLEAN Strict,
+    _Out_ struct in_addr *Address,
+    _Out_ PUSHORT Port
+);
+
 NTSYSAPI
 NTSTATUS
 NTAPI
diff --git a/reactos/include/psdk/mstcpip.h b/reactos/include/psdk/mstcpip.h
index 118fccf34d2..0f34c2e04e6 100644
--- a/reactos/include/psdk/mstcpip.h
+++ b/reactos/include/psdk/mstcpip.h
@@ -1340,7 +1340,7 @@ NTSYSAPI
 LONG
 NTAPI
 RtlIpv4StringToAddressA(
-  _In_ PCSTR S,
+  _In_ PCSTR String,
   _In_ BOOLEAN Strict,
   _Out_ PCSTR *Terminator,
   _Out_ struct in_addr *Addr);
@@ -1358,9 +1358,9 @@ NTSYSAPI
 LONG
 NTAPI
 RtlIpv4StringToAddressW(
-  _In_ PCWSTR S,
+  _In_ PCWSTR String,
   _In_ BOOLEAN Strict,
-  _Out_ LPCWSTR *Terminator,
+  _Out_ PCWSTR *Terminator,
   _Out_ struct in_addr *Addr);
 
 NTSYSAPI
diff --git a/reactos/lib/rtl/network.c b/reactos/lib/rtl/network.c
index f870c65e024..d8d4436e8a6 100644
--- a/reactos/lib/rtl/network.c
+++ b/reactos/lib/rtl/network.c
@@ -32,7 +32,7 @@ RtlIpv4AddressToStringA(IN struct in_addr *Addr,
                         OUT PCHAR S)
 {
     INT Length;
-    
+
     if (!S) return (LPSTR)~0;
 
     Length = sprintf(S, "%u.%u.%u.%u", Addr->S_un.S_un_b.s_b1,
@@ -88,7 +88,7 @@ RtlIpv4AddressToStringW(IN struct in_addr *Addr,
     INT Length;
 
     if (!S) return (LPWSTR)~0;
-    
+
     Length = swprintf(S, L"%u.%u.%u.%u", Addr->S_un.S_un_b.s_b1,
                                          Addr->S_un.S_un_b.s_b2,
                                          Addr->S_un.S_un_b.s_b3,
@@ -135,9 +135,9 @@ RtlIpv4AddressToStringExW(IN struct in_addr *Address,
  */
 NTSTATUS
 NTAPI
-RtlIpv4StringToAddressA(IN PCHAR String,
+RtlIpv4StringToAddressA(IN PCSTR String,
                         IN BOOLEAN Strict,
-                        OUT PCHAR *Terminator,
+                        OUT PCSTR *Terminator,
                         OUT struct in_addr *Addr)
 {
     UNIMPLEMENTED;
@@ -149,10 +149,10 @@ RtlIpv4StringToAddressA(IN PCHAR String,
 */
 NTSTATUS
 NTAPI
-RtlIpv4StringToAddressExA(IN PCHAR AddressString,
+RtlIpv4StringToAddressExA(IN PCSTR AddressString,
                           IN BOOLEAN Strict,
                           OUT struct in_addr *Address,
-                          IN PUSHORT Port)
+                          OUT PUSHORT Port)
 {
     UNIMPLEMENTED;
     return STATUS_NOT_IMPLEMENTED;
@@ -165,7 +165,7 @@ NTSTATUS
 NTAPI
 RtlIpv4StringToAddressW(IN PCWSTR String,
                         IN BOOLEAN Strict,
-                        OUT LPWSTR *Terminator,
+                        OUT PCWSTR *Terminator,
                         OUT struct in_addr *Addr)
 {
     UNIMPLEMENTED;
@@ -177,7 +177,7 @@ RtlIpv4StringToAddressW(IN PCWSTR String,
 */
 NTSTATUS
 NTAPI
-RtlIpv4StringToAddressExW(IN PWCHAR AddressString,
+RtlIpv4StringToAddressExW(IN PCWSTR AddressString,
                           IN BOOLEAN Strict,
                           OUT struct in_addr *Address,
                           OUT PUSHORT Port)