std::mbsinit
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| definiert in Header <cwchar>
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| int mbsinit( const std::mbstate_t* ps); |
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Wenn
ps nicht ein NULL-Zeiger, bestimmt die mbsinit Funktion, ob die spitzen-to std::mbstate_t Objekt die anfängliche Wandlungspreis Zustand beschreibt . Original:
If
ps is not a null pointer, the mbsinit function determines whether the pointed-to std::mbstate_t object describes the initial conversion state. The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Inhaltsverzeichnis |
[Bearbeiten] Notes
Obwohl eine Null initialisiert std::mbstate_t stellt immer die anfängliche Wandlungspreis Zustand, kann es andere Werte std::mbstate_t, die auch repräsentieren die anfängliche Wandlungspreis Zustand sein .
Original:
Although a zero-initialized std::mbstate_t always represents the initial conversion state, there may be other values of std::mbstate_t that also represent the initial conversion state.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[Bearbeiten] Parameter
| ps | - | pointer to the std::mbstate_t object to examine |
[Bearbeiten] Rückgabewert
0 wenn
ps ist kein Null-Zeiger und nicht reporesent die anfängliche Wandlungspreis Zustand Wert ungleich Null sonst .Original:
0 if
ps is not a null pointer and does not reporesent the initial conversion state, nonzero value otherwise.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[Bearbeiten] Beispiel
#include <clocale> #include <string> #include <iostream> #include <cwchar> int main() { // allow mbrlen() to work with UTF-8 multibyte encoding std::setlocale(LC_ALL, "en_US.utf8"); // UTF-8 narrow multibyte encoding std::string str = u8"水"; // or u8"\u6c34" or "\xe6\xb0\xb4" std::mbstate_t mb = std::mbstate_t(); (void)std::mbrlen(&str[0], 1, &mb); if (!std::mbsinit(&mb)) { std::cout << "After processing the first 1 byte of " << str << " the conversion state is not initial\n"; } (void)std::mbrlen(&str[1], str.size()-1, &mb); if (std::mbsinit(&mb)) { std::cout << "After processing the remaining 2 bytes of " << str << ", the conversion state is initial conversion state\n"; } }
Output:
After processing the first 1 byte of 水 the conversion state is not initial After processing the remaining 2 bytes of 水, the conversion state is initial conversion state
[Bearbeiten] Siehe auch
| Konvertierungsstatus notwendigen Informationen, um Multibyte-Zeichenketten zu durchlaufen Original: conversion state information necessary to iterate multibyte character strings The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klasse) | |
| C documentation for mbsinit
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