std::basic_ios::narrow

来自cppreference.com

 
 
輸入/輸出庫
I / O操縱
C-風格的I / O
緩衝區
Original:
Buffers
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
basic_streambuf
basic_filebuf
basic_stringbuf
strstreambuf(過時了)
Original:
Streams
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
抽象
Original:
Abstractions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
ios_base
basic_ios
basic_istream
basic_ostream
basic_iostream
文件I / O
Original:
File I/O
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
basic_ifstream
basic_ofstream
basic_fstream
字元串I / O
Original:
String I/O
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
basic_istringstream
basic_ostringstream
basic_stringstream
陣列的I / O
Original:
Array I/O
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
istrstream(過時了)
ostrstream(過時了)
strstream(過時了)
類型
Original:
Types
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
streamoff
streamsize
fpos
Error類的介面
Original:
Error category interface
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
iostream_category(C++11)
io_errc(C++11)
 
std::basic_ios
成員函數
Original:
Member functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
basic_ios::basic_ios
basic_ios::~basic_ios
國家職能
Original:
State functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
basic_ios::good
basic_ios::eof
basic_ios::fail
basic_ios::bad
basic_ios::operator!
basic_ios::operator bool
basic_ios::rdstate
basic_ios::setstate
basic_ios::clear
格式化
Original:
Formatting
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
basic_ios::copyfmt
basic_ios::fill
雜項
Original:
Miscellaneous
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
basic_ios::exceptions
basic_ios::imbue
basic_ios::rdbuf
basic_ios::tie
basic_ios::narrow
basic_ios::widen
受保護的成員函數
Original:
Protected member functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
basic_ios::init
basic_ios::move
basic_ios::swap
basic_ios::set_rdbuf
 
char narrow( char_type c, char dfault ) const;
其標準相當於將當前的區域設置特定的字元c。如果需要的話,將結果轉換從char_typechar。如果沒有可以進行轉換,該函數返回dfault.
Original:
Converts a current locale-specific character c to its standard equivalent. The result is converted from char_type to char if needed. If no conversion can be performed, the function returns dfault.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
有效地調用std::use_facet< std::ctype<char_type> >(getloc()).narrow(c, dfault);.
Original:
Effectively calls std::use_facet< std::ctype<char_type> >(getloc()).narrow(c, dfault);.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[编辑] 參數

c -
字元轉換
Original:
character to convert
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
dfault -
字元返回,如果轉換不成功
Original:
character to return if the conversion was unsuccessful
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[编辑] 返回值

字元轉換為標準等效,然後chardfault如果轉換失敗則返回.
Original:
Character converted to its standard equivalent and then to char. dfault is returned if the conversion fails.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[编辑] 另請參閱

widens characters
(公共成員函數) [edit]