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c8a9c22173
unfortunately this eliminates the ability of the compiler to diagnose some dangerous/incorrect usage, but POSIX requires (as an extension to the C language, i.e. CX shaded) that NULL have type void *. plain C allows it to be defined as any null pointer constant. the definition 0L is preserved for C++ rather than reverting to plain 0 to avoid dangerous behavior in non-conforming programs which use NULL as a variadic sentinel. (it's impossible to use (void *)0 for C++ since C++ lacks the proper implicit pointer conversions, and other popular alternatives like the GCC __null extension seem non-conforming to the standard's requirements.)
87 lines
1.6 KiB
C
87 lines
1.6 KiB
C
#ifndef _LOCALE_H
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#define _LOCALE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <features.h>
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#ifdef __cplusplus
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#define NULL 0L
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#else
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#define NULL ((void*)0)
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#endif
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#define LC_CTYPE 0
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#define LC_NUMERIC 1
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#define LC_TIME 2
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#define LC_COLLATE 3
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#define LC_MONETARY 4
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#define LC_MESSAGES 5
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#define LC_ALL 6
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struct lconv {
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char *decimal_point;
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char *thousands_sep;
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char *grouping;
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char *int_curr_symbol;
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char *currency_symbol;
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char *mon_decimal_point;
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char *mon_thousands_sep;
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char *mon_grouping;
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char *positive_sign;
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char *negative_sign;
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char int_frac_digits;
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char frac_digits;
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char p_cs_precedes;
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char p_sep_by_space;
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char n_cs_precedes;
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char n_sep_by_space;
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char p_sign_posn;
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char n_sign_posn;
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char int_p_cs_precedes;
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char int_p_sep_by_space;
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char int_n_cs_precedes;
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char int_n_sep_by_space;
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char int_p_sign_posn;
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char int_n_sign_posn;
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};
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char *setlocale (int, const char *);
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struct lconv *localeconv(void);
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#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
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|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
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#define __NEED_locale_t
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#include <bits/alltypes.h>
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#define LC_GLOBAL_LOCALE ((locale_t)-1)
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#define LC_CTYPE_MASK (1<<LC_CTYPE)
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#define LC_NUMERIC_MASK (1<<LC_NUMERIC)
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#define LC_TIME_MASK (1<<LC_TIME)
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#define LC_COLLATE_MASK (1<<LC_COLLATE)
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#define LC_MONETARY_MASK (1<<LC_MONETARY)
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#define LC_MESSAGES_MASK (1<<LC_MESSAGES)
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#define LC_ALL_MASK 0x7fffffff
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locale_t duplocale(locale_t);
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void freelocale(locale_t);
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locale_t newlocale(int, const char *, locale_t);
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locale_t uselocale(locale_t);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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