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/*
** $Id: lctype.h,v 1.2 2009/02/20 13:11:15 roberto Exp roberto $
** 'ctype' functions for Lua
** See Copyright Notice in lua.h
*/
#ifndef lctype_h
#define lctype_h
#include <limits.h>
#include "lua.h"
#define ALPHABIT 0
#define DIGITBIT 1
#define PRINTBIT 2
#define SPACEBIT 3
#define XDIGITBIT 4
#define MASK(B) (1 << (B))
#define lisalpha(x) (luai_ctype_[x] & MASK(ALPHABIT))
#define lisalnum(x) (luai_ctype_[x] & (MASK(ALPHABIT) | MASK(DIGITBIT)))
#define lisdigit(x) (luai_ctype_[x] & MASK(DIGITBIT))
#define lisspace(x) (luai_ctype_[x] & MASK(SPACEBIT))
#define lisprint(x) (luai_ctype_[x] & MASK(PRINTBIT))
#define lisxdigit(x) (luai_ctype_[x] & MASK(XDIGITBIT))
LUAI_DATA const char luai_ctype_[UCHAR_MAX + 1];
#endif
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