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- #ifndef _CTYPE_H_
- #define _CTYPE_H_
-
- #include "_ansi.h"
- #include <sys/cdefs.h>
-
- #if __POSIX_VISIBLE >= 200809 || __MISC_VISIBLE || defined (_COMPILING_NEWLIB)
- #include <sys/_locale.h>
- #endif
-
- _BEGIN_STD_C
-
- int isalnum (int __c);
- int isalpha (int __c);
- int iscntrl (int __c);
- int isdigit (int __c);
- int isgraph (int __c);
- int islower (int __c);
- int isprint (int __c);
- int ispunct (int __c);
- int isspace (int __c);
- int isupper (int __c);
- int isxdigit (int __c);
- int tolower (int __c);
- int toupper (int __c);
-
- #if __ISO_C_VISIBLE >= 1999
- int isblank (int __c);
- #endif
-
- #if __MISC_VISIBLE || __XSI_VISIBLE
- int isascii (int __c);
- int toascii (int __c);
- #define _tolower(__c) ((unsigned char)(__c) - 'A' + 'a')
- #define _toupper(__c) ((unsigned char)(__c) - 'a' + 'A')
- #endif
-
- #if __POSIX_VISIBLE >= 200809
- extern int isalnum_l (int __c, locale_t __l);
- extern int isalpha_l (int __c, locale_t __l);
- extern int isblank_l (int __c, locale_t __l);
- extern int iscntrl_l (int __c, locale_t __l);
- extern int isdigit_l (int __c, locale_t __l);
- extern int isgraph_l (int __c, locale_t __l);
- extern int islower_l (int __c, locale_t __l);
- extern int isprint_l (int __c, locale_t __l);
- extern int ispunct_l (int __c, locale_t __l);
- extern int isspace_l (int __c, locale_t __l);
- extern int isupper_l (int __c, locale_t __l);
- extern int isxdigit_l(int __c, locale_t __l);
- extern int tolower_l (int __c, locale_t __l);
- extern int toupper_l (int __c, locale_t __l);
- #endif
-
- #if __MISC_VISIBLE
- extern int isascii_l (int __c, locale_t __l);
- extern int toascii_l (int __c, locale_t __l);
- #endif
-
- #define _U 01
- #define _L 02
- #define _N 04
- #define _S 010
- #define _P 020
- #define _C 040
- #define _X 0100
- #define _B 0200
-
- #ifdef __HAVE_LOCALE_INFO__
- const char *__locale_ctype_ptr (void);
- #else
- #define __locale_ctype_ptr() _ctype_
- #endif
-
- # define __CTYPE_PTR (__locale_ctype_ptr ())
-
- #ifndef __cplusplus
- /* These macros are intentionally written in a manner that will trigger
- a gcc -Wall warning if the user mistakenly passes a 'char' instead
- of an int containing an 'unsigned char'. Note that the sizeof will
- always be 1, which is what we want for mapping EOF to __CTYPE_PTR[0];
- the use of a raw index inside the sizeof triggers the gcc warning if
- __c was of type char, and sizeof masks side effects of the extra __c.
- Meanwhile, the real index to __CTYPE_PTR+1 must be cast to int,
- since isalpha(0x100000001LL) must equal isalpha(1), rather than being
- an out-of-bounds reference on a 64-bit machine. */
- #define __ctype_lookup(__c) ((__CTYPE_PTR+sizeof(""[__c]))[(int)(__c)])
-
- #define isalpha(__c) (__ctype_lookup(__c)&(_U|_L))
- #define isupper(__c) ((__ctype_lookup(__c)&(_U|_L))==_U)
- #define islower(__c) ((__ctype_lookup(__c)&(_U|_L))==_L)
- #define isdigit(__c) (__ctype_lookup(__c)&_N)
- #define isxdigit(__c) (__ctype_lookup(__c)&(_X|_N))
- #define isspace(__c) (__ctype_lookup(__c)&_S)
- #define ispunct(__c) (__ctype_lookup(__c)&_P)
- #define isalnum(__c) (__ctype_lookup(__c)&(_U|_L|_N))
- #define isprint(__c) (__ctype_lookup(__c)&(_P|_U|_L|_N|_B))
- #define isgraph(__c) (__ctype_lookup(__c)&(_P|_U|_L|_N))
- #define iscntrl(__c) (__ctype_lookup(__c)&_C)
-
- #if defined(__GNUC__) && __ISO_C_VISIBLE >= 1999
- #define isblank(__c) \
- __extension__ ({ __typeof__ (__c) __x = (__c); \
- (__ctype_lookup(__x)&_B) || (int) (__x) == '\t';})
- #endif
-
- #if __POSIX_VISIBLE >= 200809
- #ifdef __HAVE_LOCALE_INFO__
- const char *__locale_ctype_ptr_l (locale_t);
- #else
- #define __locale_ctype_ptr_l(l) _ctype_
- #endif
- #define __ctype_lookup_l(__c,__l) ((__locale_ctype_ptr_l(__l)+sizeof(""[__c]))[(int)(__c)])
-
- #define isalpha_l(__c,__l) (__ctype_lookup_l(__c,__l)&(_U|_L))
- #define isupper_l(__c,__l) ((__ctype_lookup_l(__c,__l)&(_U|_L))==_U)
- #define islower_l(__c,__l) ((__ctype_lookup_l(__c,__l)&(_U|_L))==_L)
- #define isdigit_l(__c,__l) (__ctype_lookup_l(__c,__l)&_N)
- #define isxdigit_l(__c,__l) (__ctype_lookup_l(__c,__l)&(_X|_N))
- #define isspace_l(__c,__l) (__ctype_lookup_l(__c,__l)&_S)
- #define ispunct_l(__c,__l) (__ctype_lookup_l(__c,__l)&_P)
- #define isalnum_l(__c,__l) (__ctype_lookup_l(__c,__l)&(_U|_L|_N))
- #define isprint_l(__c,__l) (__ctype_lookup_l(__c,__l)&(_P|_U|_L|_N|_B))
- #define isgraph_l(__c,__l) (__ctype_lookup_l(__c,__l)&(_P|_U|_L|_N))
- #define iscntrl_l(__c,__l) (__ctype_lookup_l(__c,__l)&_C)
-
- #if defined(__GNUC__)
- #define isblank_l(__c, __l) \
- __extension__ ({ __typeof__ (__c) __x = (__c); \
- (__ctype_lookup_l(__x,__l)&_B) || (int) (__x) == '\t';})
- #endif
-
- #endif /* __POSIX_VISIBLE >= 200809 */
-
- #if __MISC_VISIBLE || __XSI_VISIBLE
- #define isascii(__c) ((unsigned)(__c)<=0177)
- #define toascii(__c) ((__c)&0177)
- #endif
-
- #if __MISC_VISIBLE
- #define isascii_l(__c,__l) ((__l),(unsigned)(__c)<=0177)
- #define toascii_l(__c,__l) ((__l),(__c)&0177)
- #endif
-
- /* Non-gcc versions will get the library versions, and will be
- slightly slower. These macros are not NLS-aware so they are
- disabled if the system supports the extended character sets. */
- # if defined(__GNUC__)
- # if !defined (_MB_EXTENDED_CHARSETS_ISO) && !defined (_MB_EXTENDED_CHARSETS_WINDOWS)
- # define toupper(__c) \
- __extension__ ({ __typeof__ (__c) __x = (__c); \
- islower (__x) ? (int) __x - 'a' + 'A' : (int) __x;})
- # define tolower(__c) \
- __extension__ ({ __typeof__ (__c) __x = (__c); \
- isupper (__x) ? (int) __x - 'A' + 'a' : (int) __x;})
- # else /* _MB_EXTENDED_CHARSETS* */
- /* Allow a gcc warning if the user passed 'char', but defer to the
- function. */
- # define toupper(__c) \
- __extension__ ({ __typeof__ (__c) __x = (__c); \
- (void) __CTYPE_PTR[__x]; (toupper) (__x);})
- # define tolower(__c) \
- __extension__ ({ __typeof__ (__c) __x = (__c); \
- (void) __CTYPE_PTR[__x]; (tolower) (__x);})
- # endif /* _MB_EXTENDED_CHARSETS* */
- # endif /* __GNUC__ */
-
- #if __POSIX_VISIBLE >= 200809
- #endif /* __POSIX_VISIBLE >= 200809 */
-
- #endif /* !__cplusplus */
-
- /* For C++ backward-compatibility only. */
- extern __IMPORT const char _ctype_[];
-
- _END_STD_C
-
- #endif /* _CTYPE_H_ */
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