diff --git a/amxmodx/amx.cpp b/amxmodx/amx.cpp
index 4e431212..a3021c80 100755
--- a/amxmodx/amx.cpp
+++ b/amxmodx/amx.cpp
@@ -1481,6 +1481,36 @@ int AMXAPI amx_RegisterToAny(AMX *amx, AMX_NATIVE f)
   return err;
 }
 
+int AMXAPI amx_Reregister(AMX *amx, const AMX_NATIVE_INFO *list, int number)
+{
+  AMX_FUNCSTUB *func;
+  AMX_HEADER *hdr;
+  int i,numnatives,count=0;
+  AMX_NATIVE funcptr;
+
+  hdr=(AMX_HEADER *)amx->base;
+  assert(hdr!=NULL);
+  assert(hdr->magic==AMX_MAGIC);
+  assert(hdr->natives<=hdr->libraries);
+  numnatives=NUMENTRIES(hdr,natives,libraries);
+
+  count=0;
+  func=GETENTRY(hdr,natives,0);
+  for (i=0; i<numnatives; i++) {
+    if (func->address!=0) {
+      /* this function is located */
+      funcptr=(list!=NULL) ? findfunction(GETENTRYNAME(hdr,func),list,number) : NULL;
+      if (funcptr!=NULL)
+      {
+        func->address=(ucell)funcptr;
+        count++;
+      }
+    } /* if */
+    func=(AMX_FUNCSTUB*)((unsigned char*)func+hdr->defsize);
+  } /* for */
+  return count;
+}
+
 int AMXAPI amx_Register(AMX *amx, const AMX_NATIVE_INFO *list, int number)
 {
   AMX_FUNCSTUB *func;
@@ -1501,12 +1531,12 @@ int AMXAPI amx_Register(AMX *amx, const AMX_NATIVE_INFO *list, int number)
       /* this function is not yet located */
       funcptr=(list!=NULL) ? findfunction(GETENTRYNAME(hdr,func),list,number) : NULL;
       if (funcptr!=NULL)
-	  {
+      {
         func->address=(ucell)funcptr;
       } else {
         no_function = GETENTRYNAME(hdr,func);
         err=AMX_ERR_NOTFOUND;
-	  }
+       }
     } /* if */
     func=(AMX_FUNCSTUB*)((unsigned char*)func+hdr->defsize);
   } /* for */
diff --git a/amxmodx/amx.h b/amxmodx/amx.h
index 1c2d76fa..f1d3ecce 100755
--- a/amxmodx/amx.h
+++ b/amxmodx/amx.h
@@ -410,6 +410,7 @@ int AMXAPI amx_PushArray(AMX *amx, cell *amx_addr, cell **phys_addr, const cell
 int AMXAPI amx_PushString(AMX *amx, cell *amx_addr, cell **phys_addr, const char *string, int pack, int use_wchar);
 int AMXAPI amx_RaiseError(AMX *amx, int error);
 int AMXAPI amx_Register(AMX *amx, const AMX_NATIVE_INFO *nativelist, int number);
+int AMXAPI amx_Reregister(AMX *amx, const AMX_NATIVE_INFO *nativelist, int number);
 int AMXAPI amx_RegisterToAny(AMX *amx, AMX_NATIVE f);
 int AMXAPI amx_Release(AMX *amx, cell amx_addr);
 int AMXAPI amx_SetCallback(AMX *amx, AMX_CALLBACK callback);
diff --git a/amxmodx/modules.cpp b/amxmodx/modules.cpp
index 27d86d6d..500e82d9 100755
--- a/amxmodx/modules.cpp
+++ b/amxmodx/modules.cpp
@@ -1647,6 +1647,25 @@ void MNF_RegisterFunction(void *pfn, const char *description)
 	REGISTER_FUNC(description, pfn);
 }
 
+void *MNF_RegisterFunctionEx(void *pfn, const char *description)
+{
+	func_s *pFunc;
+	CList<func_s, const char *>::iterator iter;
+
+	for (iter = g_functions.begin(); iter; ++iter)
+	{
+		pFunc = &(*iter);
+		if (strcmp(description, pFunc->desc) == 0)
+		{
+			void *pOld = pFunc->pfn;
+			pFunc->pfn = pfn;
+			return pOld;
+		}
+	}
+
+	return NULL;
+}
+
 void Module_UncacheFunctions()
 {
 	g_functions.clear();
@@ -1746,6 +1765,7 @@ void Module_CacheFunctions()
 	REGISTER_FUNC("MergeDefinitionFile", MNF_MergeDefinitionFile)
 	REGISTER_FUNC("Format", MNF_Format)
 	REGISTER_FUNC("RegisterFunction", MNF_RegisterFunction);
+	REGISTER_FUNC("RegisterFunctionEx", MNF_RegisterFunctionEx);
 
 	// Amx scripts loading / unloading / managing
 	REGISTER_FUNC("GetAmxScript", MNF_GetAmxScript)
@@ -1762,6 +1782,7 @@ void Module_CacheFunctions()
 	REGISTER_FUNC("FormatAmxString", MNF_FormatAmxString)
 	REGISTER_FUNC("CopyAmxMemory", MNF_CopyAmxMemory)
 	REGISTER_FUNC("GetAmxAddr", get_amxaddr)
+	REGISTER_FUNC("AmxReregister", amx_Reregister);
 
 	// other amx stuff
 	REGISTER_FUNC("amx_Exec", amx_Exec)
diff --git a/amxmodx/sdk/amxxmodule.cpp b/amxmodx/sdk/amxxmodule.cpp
index 30ef9c79..fb488735 100755
--- a/amxmodx/sdk/amxxmodule.cpp
+++ b/amxmodx/sdk/amxxmodule.cpp
@@ -2513,6 +2513,8 @@ PFN_ADDLIBRARIES			g_fn_AddLibraries;
 PFN_REMOVELIBRARIES			g_fn_RemoveLibraries;
 PFN_OVERRIDENATIVES			g_fn_OverrideNatives;
 PFN_GETLOCALINFO			g_fn_GetLocalInfo;
+PFN_AMXREREGISTER			g_fn_AmxReRegister;
+PFN_REGISTERFUNCTIONEX		g_fn_RegisterFunctionEx;
 
 // *** Exports ***
 C_DLLEXPORT int AMXX_Query(int *interfaceVersion, amxx_module_info_s *moduleInfo)
@@ -2563,6 +2565,7 @@ C_DLLEXPORT int AMXX_Attach(PFN_REQ_FNPTR reqFnptrFunc)
 	REQFUNC("MergeDefinitionFile", g_fn_MergeDefinition_File, PFN_MERGEDEFINITION_FILE);
 	REQFUNC("Format", g_fn_Format, PFN_FORMAT);
 	REQFUNC("RegisterFunction", g_fn_RegisterFunction, PFN_REGISTERFUNCTION);
+	REQFUNC("RegisterFunctionEx", g_fn_RegisterFunctionEx, PFN_REGISTERFUNCTIONEX);
 
 	// Amx scripts
 	REQFUNC("GetAmxScript", g_fn_GetAmxScript, PFN_GET_AMXSCRIPT);
@@ -2627,11 +2630,13 @@ C_DLLEXPORT int AMXX_Attach(PFN_REQ_FNPTR reqFnptrFunc)
 	REQFUNC("RegAuthFunc", g_fn_RegAuthFunc, PFN_REG_AUTH_FUNC);
 	REQFUNC("UnregAuthFunc", g_fn_UnregAuthFunc, PFN_UNREG_AUTH_FUNC);
 
+	//Added in 1.75 
 	REQFUNC("FindLibrary", g_fn_FindLibrary, PFN_FINDLIBRARY);
 	REQFUNC("AddLibraries", g_fn_AddLibraries, PFN_ADDLIBRARIES);
 	REQFUNC("RemoveLibraries", g_fn_RemoveLibraries, PFN_REMOVELIBRARIES);
 	REQFUNC("OverrideNatives", g_fn_OverrideNatives, PFN_OVERRIDENATIVES);
 	REQFUNC("GetLocalInfo", g_fn_GetLocalInfo, PFN_GETLOCALINFO);
+	REQFUNC("AmxReregister", g_fn_AmxReRegister, PFN_AMX_REREGISTER);
 
 #ifdef MEMORY_TEST
 	// Memory
@@ -2766,6 +2771,7 @@ void ValidateMacros_DontCallThis_Smiley()
 	MF_GetPlayerEdict(0);
 	MF_Format("", 4, "str");
 	MF_RegisterFunction(NULL, "");
+	MF_RegisterFunctionEx(NULL, "");
 	MF_SetPlayerTeamInfo(0, 0, "");
 	MF_PlayerPropAddr(0, 0);
 	MF_RegAuthFunc(NULL);
diff --git a/amxmodx/sdk/amxxmodule.h b/amxmodx/sdk/amxxmodule.h
index 986e0eb4..e74febf4 100755
--- a/amxmodx/sdk/amxxmodule.h
+++ b/amxmodx/sdk/amxxmodule.h
@@ -2181,6 +2181,8 @@ typedef size_t			(*PFN_ADDLIBRARIES)				(const char * /*name*/, LibType /*type*/
 typedef size_t			(*PFN_REMOVELIBRARIES)			(void * /*parent*/);
 typedef void			(*PFN_OVERRIDENATIVES)			(AMX_NATIVE_INFO * /*natives*/);
 typedef const char *	(*PFN_GETLOCALINFO)				(const char * /*name*/, const char * /*def*/);
+typedef int				(*PFN_AMX_REREGISTER)			(AMX * /*amx*/, AMX_NATIVE_INFO * /*list*/, int /*list*/);
+typedef void *			(*PFN_REGISTERFUNCTIONEX)		(void * /*pfn*/, const char * /*desc*/);
 
 extern PFN_ADD_NATIVES				g_fn_AddNatives;
 extern PFN_BUILD_PATHNAME			g_fn_BuildPathname;
@@ -2253,6 +2255,8 @@ extern PFN_ADDLIBRARIES				g_fn_AddLibraries;
 extern PFN_REMOVELIBRARIES			g_fn_RemoveLibraries;
 extern PFN_OVERRIDENATIVES			g_fn_OverrideNatives;
 extern PFN_GETLOCALINFO				g_fn_GetLocalInfo;
+extern PFN_AMX_REREGISTER			g_fn_AmxReRegister;
+extern PFN_REGISTERFUNCTIONEX		g_fn_RegisterFunctionEx;
 
 #ifdef MAY_NEVER_BE_DEFINED
 // Function prototypes for intellisense and similar systems
@@ -2322,6 +2326,8 @@ size_t			MF_AddLibraries				(const char *name, LibType type, void *parent) { }
 size_t			MF_RemoveLibraries			(void *parent) { }
 void			MF_OverrideNatives			(AMX_NATIVE_INFO *natives) { }
 const char *	MF_GetLocalInfo				(const char *name, const char *def) { }
+int				MF_AmxReRegister			(AMX *amx, AMX_NATIVE_INFO *list, int number) { return 0; }
+void *			MF_RegisterFunctionEx		(void *pfn, const char *description) { }
 #endif	// MAY_NEVER_BE_DEFINED
 
 #define MF_AddNatives g_fn_AddNatives
@@ -2396,6 +2402,8 @@ void MF_LogError(AMX *amx, int err, const char *fmt, ...);
 #define MF_RemoveLibraries g_fn_RemoveLibraries
 #define MF_OverrideNatives g_fn_OverrideNatives
 #define MF_GetLocalInfo g_fn_GetLocalInfo
+#define MF_AmxReRegister g_fn_AmxReRegister
+#define MF_RegisterFunctionEx g_fn_RegisterFunctionEx
 
 #ifdef MEMORY_TEST
 /*** Memory ***/