/* Definitions for data structures and routines for the regular
expression library, version 0.12.
- Copyright (C) 1985, 1989-1993, 1995, 2000-2014 Free Software
+ Copyright (C) 1985, 1989-1993, 1995, 2000-2015 Free Software
Foundation, Inc.
This program is free software; you can redistribute it and/or modify
# define re_wctype_to_bit(cc) 0
#else
# define CHAR_CLASS_MAX_LENGTH 9 /* Namely, `multibyte'. */
-# define btowc(c) c
+# ifndef emacs
+# define btowc(c) c
+# endif
/* Character classes. */
typedef enum { RECC_ERROR = 0,