diff --git a/lsteamclient/cppISteamNetworkingUtils_SteamNetworkingUtils001.cpp b/lsteamclient/cppISteamNetworkingUtils_SteamNetworkingUtils001.cpp
index e35611db..e4bea408 100644
--- a/lsteamclient/cppISteamNetworkingUtils_SteamNetworkingUtils001.cpp
+++ b/lsteamclient/cppISteamNetworkingUtils_SteamNetworkingUtils001.cpp
@@ -130,7 +130,9 @@ NTSTATUS ISteamNetworkingUtils_SteamNetworkingUtils001_GetConfigValueInfo( void
 {
     struct ISteamNetworkingUtils_SteamNetworkingUtils001_GetConfigValueInfo_params *params = (struct ISteamNetworkingUtils_SteamNetworkingUtils001_GetConfigValueInfo_params *)args;
     struct u_ISteamNetworkingUtils_SteamNetworkingUtils001 *iface = (struct u_ISteamNetworkingUtils_SteamNetworkingUtils001 *)params->u_iface;
-    params->_ret = iface->GetConfigValueInfo( params->eValue, params->pOutName, params->pOutDataType, params->pOutScope, params->pOutNextValue );
+    char *u_str;
+    params->_ret = iface->GetConfigValueInfo( params->eValue, params->pOutName ? (const char **)&u_str : nullptr, params->pOutDataType, params->pOutScope, params->pOutNextValue );
+    if (params->pOutName) params->_str = u_str;
     return 0;
 }
 
diff --git a/lsteamclient/cppISteamNetworkingUtils_SteamNetworkingUtils002.cpp b/lsteamclient/cppISteamNetworkingUtils_SteamNetworkingUtils002.cpp
index 9e047fee..1a38cbeb 100644
--- a/lsteamclient/cppISteamNetworkingUtils_SteamNetworkingUtils002.cpp
+++ b/lsteamclient/cppISteamNetworkingUtils_SteamNetworkingUtils002.cpp
@@ -130,7 +130,9 @@ NTSTATUS ISteamNetworkingUtils_SteamNetworkingUtils002_GetConfigValueInfo( void
 {
     struct ISteamNetworkingUtils_SteamNetworkingUtils002_GetConfigValueInfo_params *params = (struct ISteamNetworkingUtils_SteamNetworkingUtils002_GetConfigValueInfo_params *)args;
     struct u_ISteamNetworkingUtils_SteamNetworkingUtils002 *iface = (struct u_ISteamNetworkingUtils_SteamNetworkingUtils002 *)params->u_iface;
-    params->_ret = iface->GetConfigValueInfo( params->eValue, params->pOutName, params->pOutDataType, params->pOutScope, params->pOutNextValue );
+    char *u_str;
+    params->_ret = iface->GetConfigValueInfo( params->eValue, params->pOutName ? (const char **)&u_str : nullptr, params->pOutDataType, params->pOutScope, params->pOutNextValue );
+    if (params->pOutName) params->_str = u_str;
     return 0;
 }
 
diff --git a/lsteamclient/cppISteamNetworkingUtils_SteamNetworkingUtils003.cpp b/lsteamclient/cppISteamNetworkingUtils_SteamNetworkingUtils003.cpp
index fc36b3ce..dfba366a 100644
--- a/lsteamclient/cppISteamNetworkingUtils_SteamNetworkingUtils003.cpp
+++ b/lsteamclient/cppISteamNetworkingUtils_SteamNetworkingUtils003.cpp
@@ -122,7 +122,9 @@ NTSTATUS ISteamNetworkingUtils_SteamNetworkingUtils003_GetConfigValueInfo( void
 {
     struct ISteamNetworkingUtils_SteamNetworkingUtils003_GetConfigValueInfo_params *params = (struct ISteamNetworkingUtils_SteamNetworkingUtils003_GetConfigValueInfo_params *)args;
     struct u_ISteamNetworkingUtils_SteamNetworkingUtils003 *iface = (struct u_ISteamNetworkingUtils_SteamNetworkingUtils003 *)params->u_iface;
-    params->_ret = iface->GetConfigValueInfo( params->eValue, params->pOutName, params->pOutDataType, params->pOutScope, params->pOutNextValue );
+    char *u_str;
+    params->_ret = iface->GetConfigValueInfo( params->eValue, params->pOutName ? (const char **)&u_str : nullptr, params->pOutDataType, params->pOutScope, params->pOutNextValue );
+    if (params->pOutName) params->_str = u_str;
     return 0;
 }
 
diff --git a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION003.cpp b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION003.cpp
index b1fbfa47..3375f86c 100644
--- a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION003.cpp
+++ b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION003.cpp
@@ -137,7 +137,9 @@ NTSTATUS ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION003_GetUGCDetai
 {
     struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION003_GetUGCDetails_params *params = (struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION003_GetUGCDetails_params *)args;
     struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION003 *iface = (struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION003 *)params->u_iface;
-    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    char *u_str;
+    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName ? (char **)&u_str : nullptr, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    if (params->ppchName) params->_str = u_str;
     return 0;
 }
 
diff --git a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION004.cpp b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION004.cpp
index 297cf4ce..0c4fb32f 100644
--- a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION004.cpp
+++ b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION004.cpp
@@ -153,7 +153,9 @@ NTSTATUS ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION004_GetUGCDetai
 {
     struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION004_GetUGCDetails_params *params = (struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION004_GetUGCDetails_params *)args;
     struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION004 *iface = (struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION004 *)params->u_iface;
-    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    char *u_str;
+    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName ? (char **)&u_str : nullptr, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    if (params->ppchName) params->_str = u_str;
     return 0;
 }
 
diff --git a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION005.cpp b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION005.cpp
index bb4e70c9..20c80998 100644
--- a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION005.cpp
+++ b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION005.cpp
@@ -153,7 +153,9 @@ NTSTATUS ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION005_GetUGCDetai
 {
     struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION005_GetUGCDetails_params *params = (struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION005_GetUGCDetails_params *)args;
     struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION005 *iface = (struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION005 *)params->u_iface;
-    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    char *u_str;
+    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName ? (char **)&u_str : nullptr, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    if (params->ppchName) params->_str = u_str;
     return 0;
 }
 
diff --git a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION006.cpp b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION006.cpp
index f3acc141..73250624 100644
--- a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION006.cpp
+++ b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION006.cpp
@@ -161,7 +161,9 @@ NTSTATUS ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION006_GetUGCDetai
 {
     struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION006_GetUGCDetails_params *params = (struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION006_GetUGCDetails_params *)args;
     struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION006 *iface = (struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION006 *)params->u_iface;
-    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    char *u_str;
+    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName ? (char **)&u_str : nullptr, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    if (params->ppchName) params->_str = u_str;
     return 0;
 }
 
diff --git a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION007.cpp b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION007.cpp
index 1b7c41f8..004b90b9 100644
--- a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION007.cpp
+++ b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION007.cpp
@@ -161,7 +161,9 @@ NTSTATUS ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION007_GetUGCDetai
 {
     struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION007_GetUGCDetails_params *params = (struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION007_GetUGCDetails_params *)args;
     struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION007 *iface = (struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION007 *)params->u_iface;
-    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    char *u_str;
+    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName ? (char **)&u_str : nullptr, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    if (params->ppchName) params->_str = u_str;
     return 0;
 }
 
diff --git a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION008.cpp b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION008.cpp
index 53c0cbf8..b3fab8dc 100644
--- a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION008.cpp
+++ b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION008.cpp
@@ -193,7 +193,9 @@ NTSTATUS ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION008_GetUGCDetai
 {
     struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION008_GetUGCDetails_params *params = (struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION008_GetUGCDetails_params *)args;
     struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION008 *iface = (struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION008 *)params->u_iface;
-    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    char *u_str;
+    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName ? (char **)&u_str : nullptr, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    if (params->ppchName) params->_str = u_str;
     return 0;
 }
 
diff --git a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION009.cpp b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION009.cpp
index 2b6f8fda..8350bf47 100644
--- a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION009.cpp
+++ b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION009.cpp
@@ -193,7 +193,9 @@ NTSTATUS ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION009_GetUGCDetai
 {
     struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION009_GetUGCDetails_params *params = (struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION009_GetUGCDetails_params *)args;
     struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION009 *iface = (struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION009 *)params->u_iface;
-    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    char *u_str;
+    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName ? (char **)&u_str : nullptr, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    if (params->ppchName) params->_str = u_str;
     return 0;
 }
 
diff --git a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION010.cpp b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION010.cpp
index 1eeb9ac8..81709a57 100644
--- a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION010.cpp
+++ b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION010.cpp
@@ -193,7 +193,9 @@ NTSTATUS ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION010_GetUGCDetai
 {
     struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION010_GetUGCDetails_params *params = (struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION010_GetUGCDetails_params *)args;
     struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION010 *iface = (struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION010 *)params->u_iface;
-    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    char *u_str;
+    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName ? (char **)&u_str : nullptr, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    if (params->ppchName) params->_str = u_str;
     return 0;
 }
 
diff --git a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION011.cpp b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION011.cpp
index 44e8c489..34443f6c 100644
--- a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION011.cpp
+++ b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION011.cpp
@@ -193,7 +193,9 @@ NTSTATUS ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION011_GetUGCDetai
 {
     struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION011_GetUGCDetails_params *params = (struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION011_GetUGCDetails_params *)args;
     struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION011 *iface = (struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION011 *)params->u_iface;
-    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    char *u_str;
+    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName ? (char **)&u_str : nullptr, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    if (params->ppchName) params->_str = u_str;
     return 0;
 }
 
diff --git a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION012.cpp b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION012.cpp
index 4c96adf1..18ebded7 100644
--- a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION012.cpp
+++ b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION012.cpp
@@ -193,7 +193,9 @@ NTSTATUS ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION012_GetUGCDetai
 {
     struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION012_GetUGCDetails_params *params = (struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION012_GetUGCDetails_params *)args;
     struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION012 *iface = (struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION012 *)params->u_iface;
-    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    char *u_str;
+    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName ? (char **)&u_str : nullptr, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    if (params->ppchName) params->_str = u_str;
     return 0;
 }
 
diff --git a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION013.cpp b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION013.cpp
index 2b6b22a9..cca6a328 100644
--- a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION013.cpp
+++ b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION013.cpp
@@ -217,7 +217,9 @@ NTSTATUS ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION013_GetUGCDetai
 {
     struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION013_GetUGCDetails_params *params = (struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION013_GetUGCDetails_params *)args;
     struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION013 *iface = (struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION013 *)params->u_iface;
-    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    char *u_str;
+    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName ? (char **)&u_str : nullptr, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    if (params->ppchName) params->_str = u_str;
     return 0;
 }
 
diff --git a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION014.cpp b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION014.cpp
index 31415790..bf76febd 100644
--- a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION014.cpp
+++ b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION014.cpp
@@ -217,7 +217,9 @@ NTSTATUS ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION014_GetUGCDetai
 {
     struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION014_GetUGCDetails_params *params = (struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION014_GetUGCDetails_params *)args;
     struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION014 *iface = (struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION014 *)params->u_iface;
-    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    char *u_str;
+    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName ? (char **)&u_str : nullptr, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    if (params->ppchName) params->_str = u_str;
     return 0;
 }
 
diff --git a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION016.cpp b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION016.cpp
index 68195d73..77f104e4 100644
--- a/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION016.cpp
+++ b/lsteamclient/cppISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION016.cpp
@@ -217,7 +217,9 @@ NTSTATUS ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION016_GetUGCDetai
 {
     struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION016_GetUGCDetails_params *params = (struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION016_GetUGCDetails_params *)args;
     struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION016 *iface = (struct u_ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION016 *)params->u_iface;
-    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    char *u_str;
+    params->_ret = iface->GetUGCDetails( params->hContent, params->pnAppID, params->ppchName ? (char **)&u_str : nullptr, params->pnFileSizeInBytes, params->pSteamIDOwner );
+    if (params->ppchName) params->_str = u_str;
     return 0;
 }
 
diff --git a/lsteamclient/gen_wrapper.py b/lsteamclient/gen_wrapper.py
index 38e6c73e..b3c642cd 100755
--- a/lsteamclient/gen_wrapper.py
+++ b/lsteamclient/gen_wrapper.py
@@ -422,6 +422,11 @@ PRETOUCH_TYPES = {
     "const char *": "    IsBadStringPtrA({0}, -1);\n",
 }
 
+OUTSTR_PARAMS = {
+    "GetUGCDetails": "ppchName",
+    "GetConfigValueInfo": "pOutName",
+}
+
 class Padding:
     def __init__(self, offset, size):
         self.offset = offset
@@ -685,6 +690,9 @@ class Method:
             params = [ret] + params
             names = ['_ret'] + names
 
+        if self.name in OUTSTR_PARAMS and OUTSTR_PARAMS[self.name] in names:
+            params = ["struct u_buffer _str"] + params
+
         params = ['struct u_iface u_iface'] + params
         names = ['u_iface'] + names
 
@@ -969,6 +977,8 @@ def handle_method_cpp(method, classname, out):
     out(u'{\n')
     out(f'    struct {method.full_name}_params *params = (struct {method.full_name}_params *)args;\n')
     out(f'    struct u_{klass.full_name} *iface = (struct u_{klass.full_name} *)params->u_iface;\n')
+    if method.name in OUTSTR_PARAMS and OUTSTR_PARAMS[method.name] in names:
+        out(u'    char *u_str;\n')
 
     params = list(zip(names[1:], method.get_arguments()))
     for i, (name, param) in enumerate(params[:-1]):
@@ -1032,6 +1042,8 @@ def handle_method_cpp(method, classname, out):
         if name in need_convert: return f"{pfx}u_{name}"
         if name in manual_convert: return f"u_{name}"
         if name in path_conv_wtou: return f"u_{name}"
+        if name == OUTSTR_PARAMS.get(method.name, None):
+            return f'params->{name} ? ({declspec(param, "", "u_")})&u_str : nullptr'
         return f'params->{name}'
 
     params = [param_call(n, p) for n, p in zip(names[1:], method.get_arguments())]
@@ -1062,6 +1074,9 @@ def handle_method_cpp(method, classname, out):
         else:
             out(f'    steamclient_free_path( u_{name} );\n')
 
+    if method.name in OUTSTR_PARAMS and OUTSTR_PARAMS[method.name] in names:
+        out(f'    if (params->{OUTSTR_PARAMS[method.name]}) params->_str = u_str;\n');
+
     out(u'    return 0;\n')
     out(u'}\n\n')
 
@@ -1118,6 +1133,8 @@ def handle_method_c(klass, method, winclassname, out):
             out(pretouch.format(p.spelling))
 
     out(f'    STEAMCLIENT_CALL( {method.full_name}, &params );\n')
+    if method.name in OUTSTR_PARAMS and OUTSTR_PARAMS[method.name] in names:
+        out(f'    if ({OUTSTR_PARAMS[method.name]}) *{OUTSTR_PARAMS[method.name]} = get_unix_buffer( params._str );\n')
 
     if method.name.startswith('CreateFakeUDPPort'):
         out(u'    return create_winISteamNetworkingFakeUDPPort_SteamNetworkingFakeUDPPort001( params._ret );\n')
diff --git a/lsteamclient/unixlib_generated.h b/lsteamclient/unixlib_generated.h
index f8681770..e1e6cddc 100644
--- a/lsteamclient/unixlib_generated.h
+++ b/lsteamclient/unixlib_generated.h
@@ -4377,6 +4377,7 @@ struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION003_UGCDownload_p
 struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION003_GetUGCDetails_params
 {
     struct u_iface u_iface;
+    struct u_buffer _str;
     int8_t _ret;
     uint64_t hContent;
     uint32_t *pnAppID;
@@ -4539,6 +4540,7 @@ struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION004_UGCDownload_p
 struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION004_GetUGCDetails_params
 {
     struct u_iface u_iface;
+    struct u_buffer _str;
     int8_t _ret;
     uint64_t hContent;
     uint32_t *pnAppID;
@@ -4701,6 +4703,7 @@ struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION005_UGCDownload_p
 struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION005_GetUGCDetails_params
 {
     struct u_iface u_iface;
+    struct u_buffer _str;
     int8_t _ret;
     uint64_t hContent;
     uint32_t *pnAppID;
@@ -4946,6 +4949,7 @@ struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION006_GetUGCDownloa
 struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION006_GetUGCDetails_params
 {
     struct u_iface u_iface;
+    struct u_buffer _str;
     int8_t _ret;
     uint64_t hContent;
     uint32_t *pnAppID;
@@ -5316,6 +5320,7 @@ struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION007_GetUGCDownloa
 struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION007_GetUGCDetails_params
 {
     struct u_iface u_iface;
+    struct u_buffer _str;
     int8_t _ret;
     uint64_t hContent;
     uint32_t *pnAppID;
@@ -5718,6 +5723,7 @@ struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION008_GetUGCDownloa
 struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION008_GetUGCDetails_params
 {
     struct u_iface u_iface;
+    struct u_buffer _str;
     int8_t _ret;
     uint64_t hContent;
     uint32_t *pnAppID;
@@ -6120,6 +6126,7 @@ struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION009_GetUGCDownloa
 struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION009_GetUGCDetails_params
 {
     struct u_iface u_iface;
+    struct u_buffer _str;
     int8_t _ret;
     uint64_t hContent;
     uint32_t *pnAppID;
@@ -6524,6 +6531,7 @@ struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION010_GetUGCDownloa
 struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION010_GetUGCDetails_params
 {
     struct u_iface u_iface;
+    struct u_buffer _str;
     int8_t _ret;
     uint64_t hContent;
     uint32_t *pnAppID;
@@ -6937,6 +6945,7 @@ struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION011_GetUGCDownloa
 struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION011_GetUGCDetails_params
 {
     struct u_iface u_iface;
+    struct u_buffer _str;
     int8_t _ret;
     uint64_t hContent;
     uint32_t *pnAppID;
@@ -7351,6 +7360,7 @@ struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION012_GetUGCDownloa
 struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION012_GetUGCDetails_params
 {
     struct u_iface u_iface;
+    struct u_buffer _str;
     int8_t _ret;
     uint64_t hContent;
     uint32_t *pnAppID;
@@ -7793,6 +7803,7 @@ struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION013_GetUGCDownloa
 struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION013_GetUGCDetails_params
 {
     struct u_iface u_iface;
+    struct u_buffer _str;
     int8_t _ret;
     uint64_t hContent;
     uint32_t *pnAppID;
@@ -8235,6 +8246,7 @@ struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION014_GetUGCDownloa
 struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION014_GetUGCDetails_params
 {
     struct u_iface u_iface;
+    struct u_buffer _str;
     int8_t _ret;
     uint64_t hContent;
     uint32_t *pnAppID;
@@ -8677,6 +8689,7 @@ struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION016_GetUGCDownloa
 struct ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION016_GetUGCDetails_params
 {
     struct u_iface u_iface;
+    struct u_buffer _str;
     int8_t _ret;
     uint64_t hContent;
     uint32_t *pnAppID;
@@ -43421,6 +43434,7 @@ struct ISteamNetworkingUtils_SteamNetworkingUtils001_GetConfigValue_params
 struct ISteamNetworkingUtils_SteamNetworkingUtils001_GetConfigValueInfo_params
 {
     struct u_iface u_iface;
+    struct u_buffer _str;
     int8_t _ret;
     uint32_t eValue;
     const char **pOutName;
@@ -43588,6 +43602,7 @@ struct ISteamNetworkingUtils_SteamNetworkingUtils002_GetConfigValue_params
 struct ISteamNetworkingUtils_SteamNetworkingUtils002_GetConfigValueInfo_params
 {
     struct u_iface u_iface;
+    struct u_buffer _str;
     int8_t _ret;
     uint32_t eValue;
     const char **pOutName;
@@ -43762,6 +43777,7 @@ struct ISteamNetworkingUtils_SteamNetworkingUtils003_GetConfigValue_params
 struct ISteamNetworkingUtils_SteamNetworkingUtils003_GetConfigValueInfo_params
 {
     struct u_iface u_iface;
+    struct u_buffer _str;
     int8_t _ret;
     uint32_t eValue;
     const char **pOutName;
diff --git a/lsteamclient/winISteamNetworkingUtils.c b/lsteamclient/winISteamNetworkingUtils.c
index fc55e72a..8c36b90c 100644
--- a/lsteamclient/winISteamNetworkingUtils.c
+++ b/lsteamclient/winISteamNetworkingUtils.c
@@ -231,6 +231,7 @@ int8_t __thiscall winISteamNetworkingUtils_SteamNetworkingUtils001_GetConfigValu
     };
     TRACE("%p\n", _this);
     STEAMCLIENT_CALL( ISteamNetworkingUtils_SteamNetworkingUtils001_GetConfigValueInfo, &params );
+    if (pOutName) *pOutName = get_unix_buffer( params._str );
     return params._ret;
 }
 
@@ -572,6 +573,7 @@ int8_t __thiscall winISteamNetworkingUtils_SteamNetworkingUtils002_GetConfigValu
     };
     TRACE("%p\n", _this);
     STEAMCLIENT_CALL( ISteamNetworkingUtils_SteamNetworkingUtils002_GetConfigValueInfo, &params );
+    if (pOutName) *pOutName = get_unix_buffer( params._str );
     return params._ret;
 }
 
@@ -914,6 +916,7 @@ int8_t __thiscall winISteamNetworkingUtils_SteamNetworkingUtils003_GetConfigValu
     };
     TRACE("%p\n", _this);
     STEAMCLIENT_CALL( ISteamNetworkingUtils_SteamNetworkingUtils003_GetConfigValueInfo, &params );
+    if (pOutName) *pOutName = get_unix_buffer( params._str );
     return params._ret;
 }
 
diff --git a/lsteamclient/winISteamRemoteStorage.c b/lsteamclient/winISteamRemoteStorage.c
index e88a8c11..e4207b44 100644
--- a/lsteamclient/winISteamRemoteStorage.c
+++ b/lsteamclient/winISteamRemoteStorage.c
@@ -507,6 +507,7 @@ int8_t __thiscall winISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION003
     };
     TRACE("%p\n", _this);
     STEAMCLIENT_CALL( ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION003_GetUGCDetails, &params );
+    if (ppchName) *ppchName = get_unix_buffer( params._str );
     return params._ret;
 }
 
@@ -851,6 +852,7 @@ int8_t __thiscall winISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION004
     };
     TRACE("%p\n", _this);
     STEAMCLIENT_CALL( ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION004_GetUGCDetails, &params );
+    if (ppchName) *ppchName = get_unix_buffer( params._str );
     return params._ret;
 }
 
@@ -1206,6 +1208,7 @@ int8_t __thiscall winISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION005
     };
     TRACE("%p\n", _this);
     STEAMCLIENT_CALL( ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION005_GetUGCDetails, &params );
+    if (ppchName) *ppchName = get_unix_buffer( params._str );
     return params._ret;
 }
 
@@ -1727,6 +1730,7 @@ int8_t __thiscall winISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION006
     };
     TRACE("%p\n", _this);
     STEAMCLIENT_CALL( ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION006_GetUGCDetails, &params );
+    if (ppchName) *ppchName = get_unix_buffer( params._str );
     return params._ret;
 }
 
@@ -2469,6 +2473,7 @@ int8_t __thiscall winISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION007
     };
     TRACE("%p\n", _this);
     STEAMCLIENT_CALL( ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION007_GetUGCDetails, &params );
+    if (ppchName) *ppchName = get_unix_buffer( params._str );
     return params._ret;
 }
 
@@ -3269,6 +3274,7 @@ int8_t __thiscall winISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION008
     };
     TRACE("%p\n", _this);
     STEAMCLIENT_CALL( ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION008_GetUGCDetails, &params );
+    if (ppchName) *ppchName = get_unix_buffer( params._str );
     return params._ret;
 }
 
@@ -4073,6 +4079,7 @@ int8_t __thiscall winISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION009
     };
     TRACE("%p\n", _this);
     STEAMCLIENT_CALL( ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION009_GetUGCDetails, &params );
+    if (ppchName) *ppchName = get_unix_buffer( params._str );
     return params._ret;
 }
 
@@ -4880,6 +4887,7 @@ int8_t __thiscall winISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION010
     };
     TRACE("%p\n", _this);
     STEAMCLIENT_CALL( ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION010_GetUGCDetails, &params );
+    if (ppchName) *ppchName = get_unix_buffer( params._str );
     return params._ret;
 }
 
@@ -5703,6 +5711,7 @@ int8_t __thiscall winISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION011
     };
     TRACE("%p\n", _this);
     STEAMCLIENT_CALL( ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION011_GetUGCDetails, &params );
+    if (ppchName) *ppchName = get_unix_buffer( params._str );
     return params._ret;
 }
 
@@ -6527,6 +6536,7 @@ int8_t __thiscall winISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION012
     };
     TRACE("%p\n", _this);
     STEAMCLIENT_CALL( ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION012_GetUGCDetails, &params );
+    if (ppchName) *ppchName = get_unix_buffer( params._str );
     return params._ret;
 }
 
@@ -7399,6 +7409,7 @@ int8_t __thiscall winISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION013
     };
     TRACE("%p\n", _this);
     STEAMCLIENT_CALL( ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION013_GetUGCDetails, &params );
+    if (ppchName) *ppchName = get_unix_buffer( params._str );
     return params._ret;
 }
 
@@ -8274,6 +8285,7 @@ int8_t __thiscall winISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION014
     };
     TRACE("%p\n", _this);
     STEAMCLIENT_CALL( ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION014_GetUGCDetails, &params );
+    if (ppchName) *ppchName = get_unix_buffer( params._str );
     return params._ret;
 }
 
@@ -9153,6 +9165,7 @@ int8_t __thiscall winISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION016
     };
     TRACE("%p\n", _this);
     STEAMCLIENT_CALL( ISteamRemoteStorage_STEAMREMOTESTORAGE_INTERFACE_VERSION016_GetUGCDetails, &params );
+    if (ppchName) *ppchName = get_unix_buffer( params._str );
     return params._ret;
 }