std::wctob

 

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Null-terminierte Strings Original: Null-terminated strings The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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Classes Original: Classes The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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Nullterminierten Multibyte Strings

Wide / Multibyte Konvertierungen Original: Wide/multibyte conversions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
mbsinit
mbtowc mbstowcs btowc mbrtowc mbsrtowcs mbrtoc16 (C++11) mbrtoc32 (C++11) mblen	wctomb wcstombs wctob wcrtomb wcsrtombs c16rtomb (C++11) c32rtomb (C++11) mbrlen
Types Original: Types The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
mbstate_t

 

definiert in Header <cwchar>
int wctob(std::wint_t c );

Narrows eine breite Charakter c wenn seine Multibyte-Zeichen entspricht in der ersten Schaltzustand ist ein Single-Byte .

Original:

Narrows a wide character c if its multibyte character equivalent in the initial shift state is a single byte.

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Dieser ist in der Regel für die Zeichen aus dem ASCII-Zeichensatz möglich, da die meisten Multibyte-Kodierungen (wie UTF-8) verwenden einzelnen Bytes, um diese Zeichen zu kodieren .

Original:

This is typically possible for the characters from the ASCII character set, since most multibyte encodings (such as UTF-8) use single bytes to encode those characters.

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Parameter

c

-

Breitzeichen einzuengen Original: wide character to narrow The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Rückgabewert

EOF wenn c stellen keine Multibyte-Zeichen mit einer Länge 1 in ersten Schaltzustand .

Original:

EOF if c does not represent a multibyte character with length 1 in initial shift state.

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Andernfalls wird die Single-Byte-Darstellung c als unsignedchar um int

Original:

Otherwise, the single-byte representation of c as unsignedchar converted to int

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Beispiel

#include <cwchar>#include <cstdio>#include <clocale>   int main(){std::setlocale(LC_ALL, "");std::printf("narrow: %c\nnarrowed from wide: %c\n", 'a', std::wctob(L'a'));}

Output:

narrow: a narrowed from wide: a

Siehe auch

btowc	weitet sich ein Single-Byte engen Charakter-Zeichen, wenn möglich Original: widens a single-byte narrow character to wide character, if possible The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion)
do_narrow [virtuell]	wandelt ein Zeichen oder Zeichen aus charT um char Original: converts a character or characters from charT to char The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (virtuellen geschützten Member-Funktion of std::ctype)
C documentation for wctob