Espaces de noms
Variantes
Actions

std::btowc

De cppreference.com
< cpp‎ | string‎ | multibyte

 
 
Bibliothèque de chaînes de caractères
Chaînes à zéro terminal
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.
Les chaînes d'octets
Chaines multi-octets
Les chaînes étendues
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.
basic_string
char_traits
 
Chaînes à zéro terminal multi-octets
Large / multi-octets conversions
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
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
 
Déclaré dans l'en-tête <cwchar>
std::wint_t btowc(int c );
Élargit un c caractères mono-octet à son équivalent pour les caractères larges .
Original:
Widens a single-byte character c to its wide character equivalent.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Codages de caractères multi-octets plus utiliser un seul octet codes pour représenter les caractères du jeu de caractères ASCII. Cette fonction peut être utilisée pour convertir ces caractères à wchar_t .
Original:
Most multibyte character encodings use single-byte codes to represent the characters from the ASCII character set. This function may be used to convert such characters to wchar_t.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

Sommaire

[modifier]Paramètres

c -
caractères mono-octet de se creuser
Original:
single-byte character to widen
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[modifier]Retourne la valeur

WEOF if c is EOF.

Représentation des caractères gamme de c si (unsignedchar)c est valide caractères mono-octet dans l'état initial, WEOF autrement .
Original:
Wide character representation of c if (unsignedchar)c is a valid single-byte character in the initial shift state, WEOF otherwise.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[modifier]Exemple

#include <cwchar>#include <cstdio>#include <clocale>   int main(){std::setlocale(LC_ALL, "");std::wprintf(L"wide: %lc\nwidened from narrow: %lc\n", L'a', std::btowc('a'));}

Résultat :

wide: a widened from narrow: a

[modifier]Voir aussi

rétrécit un caractère large à un caractère sur un octet étroit, si possible
Original:
narrows a wide character to a single-byte narrow 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.

(fonction)[edit]
[
virtuel
Original:
virtual
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
]
convertit un ou plusieurs caractères de char à charT
Original:
converts a character or characters from char to charT
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(fonction membre virtuelle protégée de std::ctype)[edit]
C documentation for btowc
close