diff -urN slsc.org/src/sc.c slsc/src/sc.c
--- slsc.org/src/sc.c	1996-08-26 17:17:19.000000000 +0200
+++ slsc/src/sc.c	2005-09-16 13:07:13.771357416 +0200
@@ -600,7 +600,8 @@
    col = Sc_Col_Width [curcol];
    while (col-- > 0)
      {
-	SLsmg_write_char (SLsmg_char_at () & 0xFF);
+	SLsmg_Char_Type ch;
+	SLsmg_write_char (SLsmg_char_at (&ch) & 0xFF);
      }
    SLsmg_normal_video ();
 
@@ -911,8 +912,8 @@
 	  }
 	sc_update(first_time);
 	first_time = 0;
-	if (SLang_Error || !SLang_input_pending(0)) (void) SLsmg_refresh ();
-	SLang_Error = 0;
+	if (SLang_get_error() || !SLang_input_pending(0)) (void) SLsmg_refresh ();
+	SLang_set_error(0);
 	Sc_Error_Seen = 0;
 	sc_dokey ();
      }				/*  while (inloop) */
@@ -1100,7 +1101,7 @@
    (void) SLsmg_vprintf(fmt, ap);
    va_end(ap);
    SLang_flush_input ();
-   if (SLang_Error == 0) SLang_Error = INTRINSIC_ERROR;
+   if (SLang_get_error() == 0) SLang_set_error(INTRINSIC_ERROR);
 }
 
 void sc_message (char *fmt, ...)
@@ -1129,7 +1130,7 @@
      {
 	Sc_This_SL_File_Line_Num++;
 	(void) SLcmd_execute_string (buf, &Sc_SLCmd_Table);
-	if (SLang_Error) 
+	if (SLang_get_error()) 
 	  {
 	     break;
 	  }
@@ -1148,7 +1149,7 @@
    
    sprintf (file, "%s%s", Slsc_Root_Dir, "slsc.rc");
    sc_load_slfile (file);
-   if (SLang_Error) return;
+   if (SLang_get_error()) return;
 
    if (NULL != (home = getenv ("HOME")))
      {
diff -urN slsc.org/src/scdokey.c slsc/src/scdokey.c
--- slsc.org/src/scdokey.c	1996-08-26 17:17:19.000000000 +0200
+++ slsc/src/scdokey.c	2005-09-16 13:15:39.046543912 +0200
@@ -479,7 +479,7 @@
    
    i = SLang_read_line (Sc_Keymap_RLI);
    
-   if ((i >= 0) && !SLang_Error && !SLKeyBoard_Quit)
+   if ((i >= 0) && !SLang_get_error() && !SLKeyBoard_Quit)
      {
 	SLang_rline_save_line (Sc_Keymap_RLI);
 	*line = 0;
@@ -491,7 +491,8 @@
      }
    linelim = -1;
    if (SLKeyBoard_Quit) i = -1;
-   SLang_Error = SLKeyBoard_Quit = 0;
+   SLKeyBoard_Quit = 0;
+   SLang_set_error(SLKeyBoard_Quit);
    return i;
 }
 
@@ -630,7 +631,7 @@
 static void sc_copy_region (void)
 {
    sc_delete_region ();
-   if (SLang_Error) return;
+   if (SLang_get_error()) return;
    sc_paste ();
    sc_message ("Region copied to pastebuffer.");
 }
@@ -757,7 +758,8 @@
    SLang_Key_Type *key;
    
    key = SLang_do_key (Sc_Main_Keymap, (int (*)(void)) SLang_getkey);
-   SLang_Error = SLKeyBoard_Quit = 0;
+   SLKeyBoard_Quit = 0;
+   SLang_set_error(SLKeyBoard_Quit);
    
    /* Last_Char = SLang_Last_Key_Char; */
    sc_clear_message ();
@@ -1045,7 +1047,7 @@
    while (1)
      {
 	menu_aborted = 0;
-	if ((SLang_Error) || SLKeyBoard_Quit) return;
+	if ((SLang_get_error()) || SLKeyBoard_Quit) return;
 	
 	hlp = NULL;
 	n = 0;
@@ -1095,7 +1097,7 @@
 	  {
 	     field--;
 	  }
-	else if ((SLang_Error) || SLKeyBoard_Quit) return;
+	else if ((SLang_get_error()) || SLKeyBoard_Quit) return;
 	else 
 	  {