1wchar.h(3HEAD) Headers wchar.h(3HEAD)
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6 wchar.h, wchar - wide-character handling
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9 #include <wchar.h>
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13 The <wchar.h> header defines the following types:
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15 wchar_t As described in <stddef.h>.
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18 wint_t An integer type capable of storing any valid value of
19 wchar_t or WEOF.
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22 wctype_t A scalar type of a data object that can hold values which
23 represent locale-specific character classification.
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26 mbstate_t An object type other than an array type that can hold the
27 conversion state information necessary to convert between
28 sequences of (possibly multi-byte) characters and wide
29 characters. If a codeset is being used such that an
30 mbstate_t needs to preserve more than two levels of
31 reserved state, the results are unspecified.
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34 FILE As described in <stdio.h>.
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37 size_t As described in <stddef.h>.
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40 va_list As described in <stdarg.h>.
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44 The implementation supports one or more programming environments in
45 which the width of wint_t is no greater than the width of type long.
46 The names of these programming environments can be obtained using the
47 confstr(3C) function or the getconf(1) utility.
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50 The <wchar.h> header defines the following macros:
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52 WCHAR_MAX The maximum value representable by an object of type
53 wchar_t.
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56 WCHAR_MIN The minimum value representable by an object of type
57 wchar_t.
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60 WEOF Constant expression of type wint_t that is returned by
61 several WP functions to indicate end-of-file.
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64 NULL As described in <stddef.h>.
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68 The tag tm is declared as naming an incomplete structure type, the con‐
69 tents of which are described in the header <time.h>.
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72 Inclusion of the <wchar.h> header can make visible all symbols from the
73 headers <ctype.h>, <string.h>, <stdarg.h>, <stddef.h>, <stdio.h>,
74 <stdlib.h>, and <time.h>.
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77 See attributes(5) for descriptions of the following attributes:
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82 ┌─────────────────────────────┬─────────────────────────────┐
83 │ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
84 ├─────────────────────────────┼─────────────────────────────┤
85 │Interface Stability │Standard │
86 └─────────────────────────────┴─────────────────────────────┘
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89 getconf(1), btowc(3C), confstr(3C), fgetwc(3C), getws(3C), fputwc(3C),
90 fputws(3C), fwide(3C), fwprintf(3C), fwscanf(3C), getwc(3C),
91 getwchar(3C), iswalpha(3C), iswctype(3C), mbsinit(3C), mbrlen(3C), mbr‐
92 towc(3C), mbsrtowcs(3C), towlower(3C), towupper(3C), ungetwc(3C), vfw‐
93 printf(3C), wcrtomb(3C), wcsrtombs(3C), wcstring(3C), wcsstr(3C),
94 wcstod(3C), wcscoll(3C), wcsftime(3C), wcstol(3C), wcstoul(3C),
95 wcswidth(3C), wcsxfrm(3C), wctob(3C), wctype(3C), wcwidth(3C), wmem‐
96 chr(3C), wmemcmp(3C), wmemcpy(3C), wmemmove(3C), wmemset(3C),
97 stdarg(3EXT), stddef.h(3HEAD), stdio.h(3HEAD), stdlib.h(3HEAD),
98 string.h(3HEAD), time.h(3HEAD), wctype.h(3HEAD), attributes(5), stan‐
99 dards(5)
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103SunOS 5.11 10 Sep 2004 wchar.h(3HEAD)