diff --git a/inout.c b/inout.c
index 0258bc81..7587da56 100644
--- a/inout.c
+++ b/inout.c
@@ -4,7 +4,7 @@
 ** facilities.
 */
 
-char *rcs_inout="$Id: $";
+char *rcs_inout="$Id: inout.c,v 1.1 1993/12/17 18:41:19 celes Exp roberto $";
 
 #include <stdio.h>
 #include <string.h>
@@ -47,14 +47,6 @@ static int fileinput (void)
  return (c == EOF ? 0 : c);
 }
 
-/*
-** Function to unget the next character from to input file
-*/
-static void fileunput (int c)
-{
- ungetc (c, fp);
-}
-
 /*
 ** Function to get the next character from the input string
 */
@@ -64,14 +56,6 @@ static int stringinput (void)
  return (*(st-1));
 }
 
-/*
-** Function to unget the next character from to input string
-*/
-static void stringunput (int c)
-{
- st--;
-}
-
 /*
 ** Function to open a file to be input unit. 
 ** Return 0 on success or 1 on error.
@@ -80,7 +64,6 @@ int lua_openfile (char *fn)
 {
  lua_linenumber = 1;
  lua_setinput (fileinput);
- lua_setunput (fileunput);
  fp = fopen (fn, "r");
  if (fp == NULL) return 1;
  if (lua_addfile (fn)) return 1;
@@ -107,7 +90,6 @@ int lua_openstring (char *s)
 {
  lua_linenumber = 1;
  lua_setinput (stringinput);
- lua_setunput (stringunput);
  st = s;
  {
   char sn[64];
diff --git a/opcode.h b/opcode.h
index e7d505f3..c3304a64 100644
--- a/opcode.h
+++ b/opcode.h
@@ -1,6 +1,6 @@
 /*
 ** TeCGraf - PUC-Rio
-** $Id: $
+** $Id: opcode.h,v 1.1 1993/12/17 18:41:19 celes Exp roberto $
 */
 
 #ifndef opcode_h
@@ -82,7 +82,6 @@ typedef enum
 
 typedef void (*Cfunction) (void);
 typedef int  (*Input) (void);
-typedef void (*Unput) (int );
 
 typedef union
 {
@@ -132,9 +131,8 @@ int     lua_execute   (Byte *pc);
 void    lua_markstack (void);
 char   *lua_strdup (char *l);
 
-void    lua_setinput   (Input fn);	/* from "lua.lex" module */
-void    lua_setunput   (Unput fn);	/* from "lua.lex" module */
-char   *lua_lasttext   (void);		/* from "lua.lex" module */
+void    lua_setinput   (Input fn);	/* from "lex.c" module */
+char   *lua_lasttext   (void);		/* from "lex.c" module */
 int     lua_parse      (void); 		/* from "lua.stx" module */
 void    lua_type       (void);
 void 	lua_obj2number (void);