82 lines
2.1 KiB
C
82 lines
2.1 KiB
C
/*
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* Copyright 2003-2012 Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _CTYPE_H
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#define _CTYPE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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int isalnum(int);
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int isalpha(int);
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int isascii(int);
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int isblank(int);
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int iscntrl(int);
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int isdigit(int);
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int isgraph(int);
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int islower(int);
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int isprint(int);
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int ispunct(int);
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int isspace(int);
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int isupper(int);
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int isxdigit(int);
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int toascii(int);
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int tolower(int);
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int toupper(int);
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enum {
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_ISblank = 0x0001, /* blank */
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_IScntrl = 0x0002, /* control */
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_ISpunct = 0x0004, /* punctuation */
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_ISalnum = 0x0008, /* alpha-numeric */
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_ISupper = 0x0100, /* uppercase */
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_ISlower = 0x0200, /* lowercase */
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_ISalpha = 0x0400, /* alphabetic */
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_ISdigit = 0x0800, /* digit */
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_ISxdigit = 0x1000, /* hexadecimal digit */
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_ISspace = 0x2000, /* white space */
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_ISprint = 0x4000, /* printing */
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_ISgraph = 0x8000 /* graphical */
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};
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/* Characteristics */
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extern const unsigned short int *__ctype_b;
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/* Case conversions */
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extern const int *__ctype_tolower;
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extern const int *__ctype_toupper;
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#define __isctype(c, type) \
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(__ctype_b[(int)(c)] & (unsigned short int)type)
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#define isascii(c) (((c) & ~0x7f) == 0) /* ASCII characters have bit 8 cleared */
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#define toascii(c) ((c) & 0x7f) /* Clear higher bits */
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#define tolower(c) ((int)__ctype_tolower[(int)(c)])
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#define toupper(c) ((int)__ctype_toupper[(int)(c)])
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#define _tolower(c) tolower(c)
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#define _toupper(c) toupper(c)
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#define isalnum(c) __isctype((c), _ISalnum)
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#define isalpha(c) __isctype((c), _ISalpha)
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#define isblank(c) __isctype((c), _ISblank)
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#define iscntrl(c) __isctype((c), _IScntrl)
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#define isdigit(c) __isctype((c), _ISdigit)
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#define islower(c) __isctype((c), _ISlower)
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#define isgraph(c) __isctype((c), _ISgraph)
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#define isprint(c) __isctype((c), _ISprint)
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#define ispunct(c) __isctype((c), _ISpunct)
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#define isspace(c) __isctype((c), _ISspace)
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#define isupper(c) __isctype((c), _ISupper)
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#define isxdigit(c) __isctype((c), _ISxdigit)
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extern unsigned short int __ctype_mb_cur_max;
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#ifdef __cplusplus
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}
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#endif
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#endif /* _CTYPE_H */
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