diff --git a/GUI/misc.h b/GUI/misc.h
index c932300..900e839 100644
--- a/GUI/misc.h
+++ b/GUI/misc.h
@@ -2,12 +2,7 @@
 
 #include "qtcommon.h"
 
-struct QTextFile : QFile
-{
-	using QFile::QFile;
-	QTextFile(const QString& name, QIODevice::OpenMode mode) : QFile(name) { open(mode | QIODevice::Text); }
-};
-
+struct QTextFile : QFile { QTextFile(const QString& name, QIODevice::OpenMode mode) : QFile(name) { open(mode | QIODevice::Text); } };
 inline std::wstring S(const QString& S) { return { S.toStdWString() }; }
 inline QString S(const std::wstring& S) { return QString::fromStdWString(S); }
 inline HMODULE LoadLibraryOnce(std::wstring fileName) { if (HMODULE module = GetModuleHandleW(fileName.c_str())) return module; return LoadLibraryW(fileName.c_str()); }
diff --git a/include/types.h b/include/types.h
index 36fa387..28f5ab6 100644
--- a/include/types.h
+++ b/include/types.h
@@ -50,11 +50,6 @@ private:
 // jichi 3/7/2014: Add guessed comment
 struct HookParam
 {
-	// jichi 8/24/2013: For special hooks.
-	typedef void(*text_fun_t)(DWORD esp, HookParam *hp, BYTE index, DWORD *data, DWORD *split, DWORD *len);
-	typedef bool(*filter_fun_t)(LPVOID str, DWORD *len, HookParam *hp, BYTE index); // jichi 10/24/2014: Add filter function. Return true if skip the text
-	typedef bool(*hook_fun_t)(DWORD esp, HookParam *hp); // jichi 10/24/2014: Add generic hook function, return false if stop execution.
-
 	uint64_t address; // absolute or relative address
 	int offset, // offset of the data in the memory
 		index, // deref_offset1
@@ -71,9 +66,9 @@ struct HookParam
 	short length_offset; // index of the string length
 	DWORD user_value; // 7/20/2014: jichi additional parameters for PSP games
 
-	text_fun_t text_fun;
-	filter_fun_t filter_fun;
-	hook_fun_t hook_fun;
+	void(*text_fun)(DWORD stack, HookParam* hp, BYTE obsoleteAlwaysZero, DWORD* data, DWORD* split, DWORD* len);
+	bool(*filter_fun)(void* data, DWORD* len, HookParam* hp, BYTE obsoleteAlwaysZero); // jichi 10/24/2014: Add filter function. Return true if skip the text
+	bool(*hook_fun)(DWORD stack, HookParam* hp); // jichi 10/24/2014: Add generic hook function, return false if stop execution.
 
 	char name[HOOK_NAME_SIZE];
 };
diff --git a/vnrhook/engine/engine.cc b/vnrhook/engine/engine.cc
index c6f5bd3..e6d8dc0 100644
--- a/vnrhook/engine/engine.cc
+++ b/vnrhook/engine/engine.cc
@@ -16639,17 +16639,16 @@ bool InsertMonoHooks()
   HookParam hp = {};
   const MonoFunction funcs[] = { MONO_FUNCTIONS_INITIALIZER };
   enum { FunctionCount = sizeof(funcs) / sizeof(*funcs) };
-  for (int i = 0; i < FunctionCount; i++) {
-    const auto &it = funcs[i];
-    if (FARPROC addr = ::GetProcAddress(h, it.functionName)) {
+  for (auto func : funcs) {
+    if (FARPROC addr = ::GetProcAddress(h, func.functionName)) {
       hp.address = (DWORD)addr;
-	  hp.type = it.hookType;
+	  hp.type = func.hookType;
 	  hp.filter_fun = NoAsciiFilter;
-      hp.offset = it.textIndex * 4;
-      hp.length_offset = it.lengthIndex * 4;
-      hp.text_fun = (HookParam::text_fun_t)it.text_fun;
+      hp.offset = func.textIndex * 4;
+      hp.length_offset = func.lengthIndex * 4;
+      hp.text_fun = (decltype(hp.text_fun))func.text_fun;
       ConsoleOutput("vnreng: Mono: INSERT");
-      NewHook(hp, it.functionName);
+      NewHook(hp, func.functionName);
       ret = true;
     }
   }