/* @(#)chr_extern.h 1.2 95/09/16 */

/*
 * Copyright (c) 1994, 1995 by Wayne C. Gramlich.  All rights reserved.
 *
 * Permission to use, copy, modify, distribute, and sell this software
 * for any purpose is hereby granted without fee provided that the above
 * copyright notice and this permission are retained.  The author makes
 * no representations about the suitability of this software for any purpose.
 * It is provided "as is" without express or implied warranty.
 */

#if !defined(CHR_EXTERN_H)
#define CHR_EXTERN_H

#include "chr_typedef.h"

/*
 * Chr data type is used in leau of char because the ANSI-C standard
 * allows different compilers to implement char as a signed or unsigned
 * type.  By being explicit, there is no ambiguity as the code is
 * ported to diferent platforms.
 */

extern int chr_is_name_start(Chr);
extern int chr_is_name(Chr);
extern int chr_is_white_space(Chr);
extern unsigned chr_to_hex_digit(Chr);
extern Chr chr_to_upper(Chr);

#endif /* !defined(CHR_EXTERN_H) */