/*
 * Copyright 2003-2012 Haiku, Inc. All Rights Reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef _CTYPE_H
#define _CTYPE_H


#include <locale_t.h>


#ifdef __cplusplus
extern "C" {
#endif

int isalnum(int);
int isalpha(int);
int isascii(int);
int isblank(int);
int iscntrl(int);
int isdigit(int);
int isgraph(int);
int islower(int);
int isprint(int);
int ispunct(int);
int isspace(int);
int isupper(int);
int isxdigit(int);
int toascii(int);
int tolower(int);
int toupper(int);


int isalnum_l(int, locale_t);
int isalpha_l(int, locale_t);
int isblank_l(int, locale_t);
int iscntrl_l(int, locale_t);
int isdigit_l(int, locale_t);
int isgraph_l(int, locale_t);
int islower_l(int, locale_t);
int isprint_l(int, locale_t);
int ispunct_l(int, locale_t);
int isspace_l(int, locale_t);
int isupper_l(int, locale_t);
int isxdigit_l(int, locale_t);
int tolower_l(int, locale_t);
int toupper_l(int, locale_t);

enum {
        _ISblank = 0x0001,              /* blank */
        _IScntrl = 0x0002,              /* control */
        _ISpunct = 0x0004,              /* punctuation */
        _ISalnum = 0x0008,              /* alpha-numeric */
        _ISupper = 0x0100,              /* uppercase */
        _ISlower = 0x0200,              /* lowercase */
        _ISalpha = 0x0400,              /* alphabetic */
        _ISdigit = 0x0800,              /* digit */
        _ISxdigit = 0x1000,             /* hexadecimal digit */
        _ISspace = 0x2000,              /* white space */
        _ISprint = 0x4000,              /* printing */
        _ISgraph = 0x8000               /* graphical */
};

extern const unsigned short int *const *const __ctype_b_loc();
extern const int *const *const __ctype_tolower_loc();
extern const int *const *const __ctype_toupper_loc();

#define __isctype(c, type) \
        ((*__ctype_b_loc())[(int)(c)] & (unsigned short int)type)

#define tolower(c) ((int)(*__ctype_tolower_loc())[(int)(c)])
#define toupper(c) ((int)(*__ctype_toupper_loc())[(int)(c)])

#define isascii(c) (((c) & ~0x7f) == 0) /* ASCII characters have bit 8 cleared */
#define toascii(c) ((c) & 0x7f)                 /* Clear higher bits */

#define _tolower(c)     tolower(c)
#define _toupper(c)     toupper(c)

#define isalnum(c)      __isctype((c), _ISalnum)
#define isalpha(c)      __isctype((c), _ISalpha)
#define isblank(c)      __isctype((c), _ISblank)
#define iscntrl(c)      __isctype((c), _IScntrl)
#define isdigit(c)      __isctype((c), _ISdigit)
#define islower(c)      __isctype((c), _ISlower)
#define isgraph(c)      __isctype((c), _ISgraph)
#define isprint(c)      __isctype((c), _ISprint)
#define ispunct(c)      __isctype((c), _ISpunct)
#define isspace(c)      __isctype((c), _ISspace)
#define isupper(c)      __isctype((c), _ISupper)
#define isxdigit(c)     __isctype((c), _ISxdigit)

#ifdef __cplusplus
}
#endif

#endif /* _CTYPE_H */