diff --git a/Contrib/ExDLL/exdll.h b/Contrib/ExDLL/exdll.h
index 38083e1d..a64a2ed3 100644
--- a/Contrib/ExDLL/exdll.h
+++ b/Contrib/ExDLL/exdll.h
@@ -2,7 +2,7 @@
 #define _EXDLL_H_
 
 // only include this file from one place in your DLL.
-// (it is all static shit, if you use it in two places it will fail)
+// (it is all static, if you use it in two places it will fail)
 
 #define EXDLL_INIT()           {  \
         g_stringsize=string_size; \
@@ -82,6 +82,12 @@ static char *getuservariable(int varnum)
   return g_variables+varnum*g_stringsize;
 }
 
+static void setuservariable(int varnum, char *var)
+{
+	if (var != NULL && varnum >= 0 && varnum < __INST_LAST) 
+		lstrcpy(g_variables + varnum*g_stringsize, var);
+}
+
 
 
 #endif//_EXDLL_H_
\ No newline at end of file