diff -uNr bc-1.05.orig/bc/scan.c bc-1.05/bc/scan.c
--- bc-1.05.orig/bc/scan.c	Mon Apr 21 17:57:52 1997
+++ bc-1.05/bc/scan.c	Thu Apr  6 18:39:26 2000
@@ -228,7 +228,7 @@
 /* Variables to help interface readline with bc. */
 static char *rl_line = (char *)NULL;
 static char *rl_start = (char *)NULL;
-static char  rl_len = 0;
+static int  rl_len = 0;
 
 /* Definitions for readline access. */
 extern FILE *rl_instream;
diff -uNr bc-1.05.orig/bc/scan.l bc-1.05/bc/scan.l
--- bc-1.05.orig/bc/scan.l	Mon Apr 21 17:57:00 1997
+++ bc-1.05/bc/scan.l	Thu Apr  6 18:39:14 2000
@@ -60,7 +60,7 @@
 /* Variables to help interface readline with bc. */
 static char *rl_line = (char *)NULL;
 static char *rl_start = (char *)NULL;
-static char  rl_len = 0;
+static int  rl_len = 0;
 
 /* Definitions for readline access. */
 extern FILE *rl_instream;