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      C-style file input/output

      提供: cppreference.com
      < cpp‎ | io

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      C++
       
      入力/出力ライブラリ
      I / Oのマニピュレータ
      CスタイルのI / O
      バッファ
      Original:
      Buffers
      The text has been machine-translated via Google Translate.
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      basic_streambuf
      basic_filebuf
      basic_stringbuf
      strstreambuf(廃止予定)
      ストリーム
      Original:
      Streams
      The text has been machine-translated via Google Translate.
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      抽象化
      Original:
      Abstractions
      The text has been machine-translated via Google Translate.
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      ios_base
      basic_ios
      basic_istream
      basic_ostream
      basic_iostream
      ファイルI / O
      Original:
      File I/O
      The text has been machine-translated via Google Translate.
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      basic_ifstream
      basic_ofstream
      basic_fstream
      文字列I / O
      Original:
      String I/O
      The text has been machine-translated via Google Translate.
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      basic_istringstream
      basic_ostringstream
      basic_stringstream
      アレイのI / O
      Original:
      Array I/O
      The text has been machine-translated via Google Translate.
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      istrstream(廃止予定)
      ostrstream(廃止予定)
      strstream(廃止予定)
      タイプ
      Original:
      Types
      The text has been machine-translated via Google Translate.
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      streamoff
      streamsize
      fpos
      エラーカテゴリインターフェース
      Original:
      Error category interface
      The text has been machine-translated via Google Translate.
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      iostream_category(C++11)
      io_errc(C++11)
       
      CスタイルのI / O
      機能します
      Original:
      Functions
      The text has been machine-translated via Google Translate.
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      ファイルアクセス
      Original:
      File access
      The text has been machine-translated via Google Translate.
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      直接入力/出力
      Original:
      Direct input/output
      The text has been machine-translated via Google Translate.
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      fread
      fwrite
      書式なし入力/出力
      Original:
      Unformatted input/output
      The text has been machine-translated via Google Translate.
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      書式付き入力/出力
      Original:
      Formatted input/output
      The text has been machine-translated via Google Translate.
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      ファイル位置付け
      Original:
      File positioning
      The text has been machine-translated via Google Translate.
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      ftell
      fgetpos
      fseek
      fsetpos
      rewind
      エラー処理
      Original:
      Error handling
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      clearerr
      feof
      ferror
      perror
      ファイルに対する操作
      Original:
      Operations on files
      The text has been machine-translated via Google Translate.
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      remove
      rename
      tmpfile
      tmpnam
       
      C + +標準ライブラリのCI / Oの部分集合は、Cスタイルのストリーム入力/出力操作を実装します。 <cstdio>ヘッダが狭いと、マルチバイト文字の入力/出力機能を備えた一般的なファイル操作支援や物資の機能を提供し、<cwchar>ヘッダは、ワイド文字の入力/出力機能を備えた機能を提供します.
      Original:
      The C I/O subset of the C++ standard library implements C-style stream input/output operations. The <cstdio> header provides generic file operation support and supplies functions with narrow and multibyte character input/output capabilities, and the <cwchar> header provides functions with wide character input/output capabilities.
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      C言語のストリーム型のみstd::FILE（注のポインタ経由でアクセスして操作することができるタイプstd::FILE*のオブジェクトである：それは、このようなコピーのアドレスを使用して、間接参照し、有効なstd::FILEをコピーすることによって、タイプFILE*のローカルオブジェクトを作成することは可能かもしれないがI / O機能）未定義の動作です。各Cストリームは、外部の物理デバイス（ファイル、標準入力ストリーム、プリンタ、シリアルポートなど）に関連付けられています.
      Original:
      C streams are objects of type std::FILE that can only be accessed and manipulated through pointers of type std::FILE* (Note: while it may be possible to create a local object of type std::FILE by dereferencing and copying a valid FILE*, using the address of such copy in the I/O functions is undefined behavior). Each C stream is associated with an external physical device (file, standard input stream, printer, serial port, etc).
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      C言語のストリームはフォーマットされていないと、フォーマットされた入力と出力の両方に使用することができます。彼らは、ロケールに依存し、必要に応じてワイド/マルチバイト変換を実行することができる。とは異なり、C + +のストリームは、各ストリームは独自のロケールに関連付けられている、すべてのCのストリームは、同じロケールオブジェクトアクセス：最も最近std::setlocaleと共にインストールいずれかを.
      Original:
      C streams can be used for both unformatted and formatted input and output. They are locale-sensitive and may perform wide/multibyte conversions as necessary. Unlike C++ streams, where each stream is associated with its own locale, all C streams access the same locale object: the one most recently installed with std::setlocale.
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      デバイス（例えば、POSIXのファイル記述子）にアクセスするために必要なシステム固有の情報に加えて、各Cストリームオブジェクトには、以下を保持します
      Original:
      Besides the system-specific information necessary to access the device (e.g. a POSIX file descriptor), each C stream object holds the following:
      The text has been machine-translated via Google Translate.
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      1)
      文字幅：ナローまたはワイド
      Original:
      Character width: narrow or wide
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      2)
      バッファリング状態：バッファリングされていない、完全バッファ、ラインバッファ.
      Original:
      Buffering state: unbuffered, line-buffered, fully buffered.
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      3)
      、ユーザ提供の外部バッファで置き換えることができるバッファ、.
      Original:
      The buffer, which may be replaced by an external, user-provided buffer.
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      4)
      I / Oモード：入力、出力、または更新（入力と出力の両方）.
      Original:
      I/O mode: input, output, or update (both input and output).
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      5)
      バイナリ/テキスト·モード·インディケーター.
      Original:
      Binary/text mode indicator.
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      6)
      エンド·オブ·ファイルのステータスインジケータ.
      Original:
      End-of-file status indicator.
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      7)
      エラーステータスインジケータ.
      Original:
      Error status indicator.
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      8)
      ワイド文字ストリームのために、パースの状態を含む、ファイル位置指示子（タイプstd::fpos_tのオブジェクト）、（型のオブジェクトmbstate_t）.
      Original:
      File position indicator (an object of type std::fpos_t), which, for wide character streams, includes the parse state (an object of type mbstate_t).
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      目次

      [編集]機能します

      ファイルアクセス
      Original:
      File access
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      ファイルを開きます
      Original:
      opens a file
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      (関数)[edit]
      別の名前で既存のストリームを開きます
      Original:
      open an existing stream with a different name
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      (関数)[edit]
      ファイルを閉じます
      Original:
      closes a file
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      (関数)[edit]
      実際のファイルで出力ストリームを同期させます
      Original:
      synchronizes an output stream with the actual file
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      (関数)[edit]
      ワイド文字I / Oと狭い文字間のファイルストリームを切り替えI / O
      Original:
      switches a file stream between wide character I/O and narrow character I/O
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      (関数)[edit]
      ファイルストリーム用のバッファを設定します
      Original:
      sets the buffer for a file stream
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      (関数)[edit]
      ファイルストリーム用のバッファとそのサイズを設定します
      Original:
      sets the buffer and its size for a file stream
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      (関数)[edit]
      直接入力/出力
      Original:
      Direct input/output
      The text has been machine-translated via Google Translate.
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      ファイルから読み込みます
      Original:
      reads from a file
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      (関数)[edit]
      ファイルに書き込みます
      Original:
      writes to a file
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      (関数)[edit]
      書式なし入力/出力
      Original:
      Unformatted input/output
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      狭い文字
      Original:
      Narrow character
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      ファイルストリームから文字を取得します
      Original:
      gets a character from a file stream
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      (関数)[edit]
      ファイルストリームから文字列を取得します
      Original:
      gets a character string from a file stream
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      (関数)[edit]
      ファイルストリームに文字を書き込みます
      Original:
      writes a character to a file stream
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      (関数)[edit]
      ファイルストリームに文字列を書き込みます
      Original:
      writes a character string to a file stream
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      (関数)[edit]
      stdinから文字を読み取ります
      Original:
      reads a character from stdin
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      (関数)[edit]
      stdinから文字列を読み込みます
      Original:
      reads a character string from stdin
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      (関数)[edit]
      stdoutに文字を書き込みます
      Original:
      writes a character to stdout
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      (関数)[edit]
      stdoutに文字列を書き込みます
      Original:
      writes a character string to stdout
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      (関数)[edit]
      ファイルストリームに戻す文字を入れます
      Original:
      puts a character back into a file stream
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      (関数)[edit]
      ワイド文字
      Original:
      Wide character
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      ファイルストリームからワイド文字を取得します
      Original:
      gets a wide character from a file stream
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      (関数)[edit]
      ファイルストリームからワイド文字列を取得します
      Original:
      gets a wide string from a file stream
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      (関数)[edit]
      ファイルストリームにワイド文字を書き込みます
      Original:
      writes a wide character to a file stream
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      (関数)[edit]
      ファイルストリームにワイド文字列を書き込みます
      Original:
      writes a wide string to a file stream
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      (関数)[edit]
      stdinからワイド文字を読み込みます
      Original:
      reads a wide character from stdin
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      (関数)[edit]
      stdoutにワイド文字を書き込みます
      Original:
      writes a wide character to stdout
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      (関数)[edit]
      ファイルストリームにワイド文字に戻します
      Original:
      puts a wide character back into a file stream
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      (関数)[edit]
      書式付き入力/出力
      Original:
      Formatted input/output
      The text has been machine-translated via Google Translate.
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      狭い/マルチバイト文字
      Original:
      Narrow/multibyte character
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      stdin、ファイルストリームまたはバッファからの書式付き入力を読み取ります
      Original:
      reads formatted input from stdin, a file stream or a buffer
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      (関数)[edit]
      (C++11)
      (C++11)
      (C++11)
      stdin、ファイルストリームまたは可変引数リストを使用してbuffer
      から書式付き入力を読み取ります
      Original:
      reads formatted input from stdin, a file stream or a buffer
      using variable argument list
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      (関数)[edit]



      (C++11)
      プリントはstdout、ファイルストリームまたはバッファに出力をフォーマットします
      Original:
      prints formatted output to stdout, a file stream or a buffer
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      (関数)[edit]



      (C++11)
      プリントはstdout、ファイルストリームまたは可変引数リストを使用してbuffer
      に出力をフォーマットします
      Original:
      prints formatted output to stdout, a file stream or a buffer
      using variable argument list
      The text has been machine-translated via Google Translate.
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      (関数)[edit]
      ワイド文字
      Original:
      Wide character
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      stdin、ファイルストリームまたはバッファから書式ワイド文字入力を読み取ります
      Original:
      reads formatted wide character input from stdin, a file stream or a buffer
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      (関数)[edit]
      (C++11)
      (C++11)
      (C++11)
      stdin、ファイルstream
      または可変引数リストを使用してバッファから書式ワイド文字入力を読み取ります
      Original:
      reads formatted wide character input from stdin, a file stream
      or a buffer using variable argument list
      The text has been machine-translated via Google Translate.
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      (関数)[edit]
      プリントはstdout、ファイルストリームまたはバッファにワイド文字出力をフォーマットします
      Original:
      prints formatted wide character output to stdout, a file stream or a buffer
      The text has been machine-translated via Google Translate.
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      (関数)[edit]
      プリントはstdout、ファイルstream
      または可変引数リストを使用してバッファにワイド文字出力をフォーマットします
      Original:
      prints formatted wide character output to stdout, a file stream
      or a buffer using variable argument list
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (関数)[edit]
      ファイル位置付け
      Original:
      File positioning
      The text has been machine-translated via Google Translate.
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      現在のファイル位置指示子を返します
      Original:
      returns the current file position indicator
      The text has been machine-translated via Google Translate.
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      (関数)[edit]
      ファイル位置指示子を取得します
      Original:
      gets the file position indicator
      The text has been machine-translated via Google Translate.
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      (関数)[edit]
      ファイル位置指示子は、ファイル内の特定の場所に移動します
      Original:
      moves the file position indicator to a specific location in a file
      The text has been machine-translated via Google Translate.
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      (関数)[edit]
      ファイル位置指示子は、ファイル内の特定の場所に移動します
      Original:
      moves the file position indicator to a specific location in a file
      The text has been machine-translated via Google Translate.
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      (関数)[edit]
      ファイル位置指示子は、ファイル内の先頭に移動します
      Original:
      moves the file position indicator to the beginning in a file
      The text has been machine-translated via Google Translate.
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      (関数)[edit]
      エラー処理
      Original:
      Error handling
      The text has been machine-translated via Google Translate.
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      エラーをクリアします
      Original:
      clears errors
      The text has been machine-translated via Google Translate.
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      (関数)[edit]
      エンド·オブ·ファイルをチェックします
      Original:
      checks for the end-of-file
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      (関数)[edit]
      ファイルのエラーをチェックします
      Original:
      checks for a file error
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      (関数)[edit]
      stderrに現在のエラーの対応する文字列が表示されます
      Original:
      displays a character string corresponding of the current error to stderr
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      (関数)[edit]
      ファイルに対する操作
      Original:
      Operations on files
      The text has been machine-translated via Google Translate.
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      ファイルを消去
      Original:
      erases a file
      The text has been machine-translated via Google Translate.
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      (関数)[edit]
      ファイルの名前を変更します
      Original:
      renames a file
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      (関数)[edit]
      作成され、一時的な、自動削除するファイルを開きます
      Original:
      creates and opens a temporary, auto-removing file
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      (関数)[edit]
      一意のファイル名を返します
      Original:
      returns a unique filename
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      (関数)[edit]

      [編集]タイプ

      Defined in header <cstdio>
      タイプ
      Original:
      Type
      The text has been machine-translated via Google Translate.
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      		 Definition
      FILE
      CI / Oストリームを制御するために必要なすべての情報を保持することが可能なタイプ
      Original:
      type, capable of holding all information needed to control a C I/O stream
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      fpos_t
      一意のファイル内の位置を特定することができるタイプ
      Original:
      type, capable of uniquely specifying a position in a file
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      [編集]マクロ

      Defined in header <cstdio>
      stdin
      stdout
      stderr
      型の式FILE*はエラー出力ストリームに関連付けられた型
      の出力streamFILE*expressionに関連付けられた型の入力stream
      expressionFILE*に関連付けられている
      Original:
      expression of type FILE* associated with the input stream
      expression of type FILE* associated with the output stream
      expression of type FILE* associated with the error output stream
      The text has been machine-translated via Google Translate.
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      (マクロ定数)
      EOF
      タイプintと負の値の整数定数式
      Original:
      integer constant expression of type int and negative value
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      (マクロ定数)
      FOPEN_MAX
      同時にオープンできるファイルの数
      Original:
      number of files that can be open simultaneously
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      (マクロ定数)
      FILENAME_MAX
      サイズは最長のサポートされているファイル名を保持するためにchar型の配列のために必要
      Original:
      size needed for an array of char to hold the longest supported file name
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      (マクロ定数)
      BUFSIZ
      std::setbufで使用されるバッファのサイズ
      Original:
      size of the buffer used by std::setbuf
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      (マクロ定数)
      _IOFBF
      _IOLBF
      _IONBF
      完全に、I /std::setbuf示す行へO
      argumentは非バッファI / Oを示すstd::setbufへのI /O
      argumentをバッファリングバッファリングされたことを示すstd::setbufへの引数
      Original:
      argument to std::setbuf indicating fully buffered I/O
      argument to std::setbuf indicating line buffered I/O
      argument to std::setbuf indicating unbuffered I/O
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      (マクロ定数)
      SEEK_SET
      SEEK_CUR
      SEEK_END
      ファイルの終端からシークを示すstd::fseekに現在のファイルposition
      argumentから求める示すfilestd::fseekargumentの先頭から
      までシークを示すstd::fseekへの引数
      Original:
      argument to std::fseek indicating seeking from beginning of the file
      argument to std::fseek indicating seeking from the current file position
      argument to std::fseek indicating seeking from end of the file
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      (マクロ定数)
      TMP_MAX
      std::tmpnamによって生成することができるユニークなファイル名の最大数
      Original:
      maximum number of unique filenames that can be generated by std::tmpnam
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      (マクロ定数)
      L_tmpnam
      サイズはstd::tmpnamの結果を保持するchar型の配列のために必要
      Original:
      size needed for an array of char to hold the result of std::tmpnam
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      (マクロ定数)
      「http://ja.cppreference.com/mwiki/index.php?title=cpp/io/c&oldid=28503」から取得
      close