95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
#ifndef _CTYPE_H_
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#define _CTYPE_H_
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#include "_ansi.h"
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_BEGIN_STD_C
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int _EXFUN(isalnum, (int __c));
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int _EXFUN(isalpha, (int __c));
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int _EXFUN(iscntrl, (int __c));
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int _EXFUN(isdigit, (int __c));
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int _EXFUN(isgraph, (int __c));
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int _EXFUN(islower, (int __c));
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int _EXFUN(isprint, (int __c));
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int _EXFUN(ispunct, (int __c));
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int _EXFUN(isspace, (int __c));
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int _EXFUN(isupper, (int __c));
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int _EXFUN(isxdigit,(int __c));
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int _EXFUN(tolower, (int __c));
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int _EXFUN(toupper, (int __c));
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#if !defined(__STRICT_ANSI__) || defined(__cplusplus) || __STDC_VERSION__ >= 199901L
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int _EXFUN(isblank, (int __c));
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#endif
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#ifndef __STRICT_ANSI__
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int _EXFUN(isascii, (int __c));
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int _EXFUN(toascii, (int __c));
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#define _tolower(__c) ((unsigned char)(__c) - 'A' + 'a')
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#define _toupper(__c) ((unsigned char)(__c) - 'a' + 'A')
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#endif
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#define _U 01
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#define _L 02
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#define _N 04
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#define _S 010
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#define _P 020
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#define _C 040
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#define _X 0100
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#define _B 0200
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#ifndef _MB_CAPABLE
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_CONST
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#endif
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extern __IMPORT char *__ctype_ptr__;
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#ifndef __cplusplus
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/* These macros are intentionally written in a manner that will trigger
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a gcc -Wall warning if the user mistakenly passes a 'char' instead
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of an int containing an 'unsigned char'. */
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#define isalpha(__c) ((__ctype_ptr__+1)[__c]&(_U|_L))
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#define isupper(__c) (((__ctype_ptr__+1)[__c]&(_U|_L))==_U)
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#define islower(__c) (((__ctype_ptr__+1)[__c]&(_U|_L))==_L)
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#define isdigit(__c) ((__ctype_ptr__+1)[__c]&_N)
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#define isxdigit(__c) ((__ctype_ptr__+1)[__c]&(_X|_N))
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#define isspace(__c) ((__ctype_ptr__+1)[__c]&_S)
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#define ispunct(__c) ((__ctype_ptr__+1)[__c]&_P)
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#define isalnum(__c) ((__ctype_ptr__+1)[__c]&(_U|_L|_N))
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#define isprint(__c) ((__ctype_ptr__+1)[__c]&(_P|_U|_L|_N|_B))
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#define isgraph(__c) ((__ctype_ptr__+1)[__c]&(_P|_U|_L|_N))
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#define iscntrl(__c) ((__ctype_ptr__+1)[__c]&_C)
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#if defined(__GNUC__) && \
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(!defined(__STRICT_ANSI__) || __STDC_VERSION__ >= 199901L)
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#define isblank(__c) \
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__extension__ ({ __typeof__ (__c) __x = (__c); \
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((__ctype_ptr__+1)[__x]&_B) || (__x) == '\t';})
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#endif
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/* Non-gcc versions will get the library versions, and will be
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slightly slower. These macros are not NLS-aware so they are
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disabled if the system supports the extended character sets. */
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# if defined(__GNUC__) && !defined (_MB_EXTENDED_CHARSETS_ISO) && !defined (_MB_EXTENDED_CHARSETS_WINDOWS)
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# define toupper(__c) \
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__extension__ ({ __typeof__ (__c) __x = (__c); \
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islower(__x) ? (__x - 'a' + 'A') : __x;})
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# define tolower(__c) \
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__extension__ ({ __typeof__ (__c) __x = (__c); \
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isupper(__x) ? (__x - 'A' + 'a') : __x;})
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#endif
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#endif /* !__cplusplus */
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#ifndef __STRICT_ANSI__
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#define isascii(__c) ((unsigned)(__c)<=0177)
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#define toascii(__c) ((__c)&0177)
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#endif
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/* For C++ backward-compatibility only. */
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extern __IMPORT _CONST char _ctype_[];
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_END_STD_C
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#endif /* _CTYPE_H_ */
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