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    std::basic_ostream::seekp

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    C++
     
    Input / Output-Bibliothek
    I / O-Manipulatoren
    C-style I / O
    Puffern
    Original:
    Buffers
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    basic_streambuf
    basic_filebuf
    basic_stringbuf
    strstreambuf(veraltet)
    Streams
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    Streams
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    Abstraktionen
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    Abstractions
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    ios_base
    basic_ios
    basic_istream
    basic_ostream
    basic_iostream
    Datei-I / O
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    File I/O
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    basic_ifstream
    basic_ofstream
    basic_fstream
    String I / O
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    String I/O
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    basic_istringstream
    basic_ostringstream
    basic_stringstream
    Array I / O
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    Array I/O
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    istrstream(veraltet)
    ostrstream(veraltet)
    strstream(veraltet)
    Types
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    Types
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    streamoff
    streamsize
    fpos
    Fehler Kategorie Schnittstelle
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    Error category interface
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    iostream_category(C++11)
    io_errc(C++11)
     
    std::basic_ostream
    Globale Objekte
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    Global objects
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    Member-Funktionen
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    Member functions
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    basic_ostream::basic_ostream
    basic_ostream::~basic_ostream
    basic_ostream::operator=(C++11)
    Formatierte Eingabe
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    Formatted input
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    basic_ostream::operator<<
    Unformatierte Eingabe
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    Unformatted input
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    basic_ostream::put
    basic_ostream::write
    Positionierung
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    Positioning
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    basic_ostream::tellp
    basic_ostream::seekp
    Verschiedenes
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    Miscellaneous
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    basic_ostream::flush
    basic_ostream::swap(C++11)
    Mitglied Klassen
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    Member classes
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    basic_ostream::sentry
    Non-Member-Funktionen
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    Non-member functions
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    operator<<(std::basic_ostream)
     
    basic_ostream& seekp( pos_type pos );
    		 (1)
    basic_ostream& seekp( off_type off, std::ios_base::seekdir dir);
    		 (2)
    Legt die Ausgangsposition Indikator für die aktuelle zugehörigen streambuf Objekt .
    Original:
    Sets the output position indicator of the current associated streambuf object.
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    Zunächst baut eine sentry Objekt, das den Strom für Fehler und spült die tie () 'd Output-Streams prüft. (seit C++11) Danach
    Original:
    First, constructs a sentry object which checks the stream for errors and flushes the tie()'d output streams. (seit C++11) Afterwards,
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    1)
    setzt den Ausgang Stellungsanzeige um absolut (bezogen auf den Anfang der Datei) Wert pos durch Aufrufen rdbuf()->pubseekoff(pos, std::ios_base::out). Wenn der Aufruf zurückkehrt (pos_type)-1 führt setstate(failbit) .
    Original:
    sets the output position indicator to absolute (relative to the beginning of the file) value pos by calling rdbuf()->pubseekoff(pos, std::ios_base::out). If the call returns (pos_type)-1, executes setstate(failbit).
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    2)
    setzt den Ausgang Stellungsanzeige off gegenüber dir indem rdbuf()->pubseekoff(off, dir, std::ios_base::out) ausgeglichen. Meldet keine Fehler .
    Original:
    sets the output position indicator to offset off relative to dir by calling rdbuf()->pubseekoff(off, dir, std::ios_base::out). Does not report errors.
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    Inhaltsverzeichnis

    [Bearbeiten]Parameter

    pos -
    Absolutposition um den Ausgang Lagemelder eingestellt .
    Original:
    absolute position to set the output position indicator to.
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    off -
    relative Position, um die Ausgabe Lagemelder eingestellt .
    Original:
    relative position to set the output position indicator to.
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    dir -
    definiert Grundposition den relativen Offset zu bewerben. Es kann eine der folgenden Konstanten sein:
    Constant
    Original:
    Constant
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    		 Explanation
    beg
    der Beginn einer Stream
    Original:
    the beginning of a stream
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    end
    das Ende eines Streams
    Original:
    the ending of a stream
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    cur
    die aktuelle Position des Stroms Stellungsanzeige
    Original:
    the current position of stream position indicator
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    Original:
    defines base position to apply the relative offset to. It can be one of the following constants:
    Constant
    Original:
    Constant
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    		 Explanation
    beg
    der Beginn einer Stream
    Original:
    the beginning of a stream
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    end
    das Ende eines Streams
    Original:
    the ending of a stream
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    cur
    die aktuelle Position des Stroms Stellungsanzeige
    Original:
    the current position of stream position indicator
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    The text has been machine-translated via Google Translate.
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    [Bearbeiten]Rückgabewert

    *this

    [Bearbeiten]Ausnahmen

    1)
    Kann std::ios_base::failure im Falle des Scheiterns zu werfen, wenn exceptions()& failbit !=0 .
    Original:
    May throw std::ios_base::failure in case of failure, if exceptions()& failbit !=0.
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    2)
    Nicht werfen, wenn rdbuf()->pubseekoff() wirft
    Original:
    Does not throw unless rdbuf()->pubseekoff() throws
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    [Bearbeiten]Beispiel

    #include <sstream>#include <iostream>   int main(){std::ostringstream os("hello, world"); os.seekp(7); os <<'W'; os.seekp(0, std::ios_base::end); os <<'!'; os.seekp(0); os <<'H';std::cout<< os.str()<<'\n';}

    Output: 

    Hello, World!

    [Bearbeiten]Siehe auch

    gibt die Ausgabe Stellungsanzeige
    Original:
    returns the output position indicator
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    (öffentliche Elementfunktion)[edit]
    liefert den Eingang Stellungsanzeige
    Original:
    returns the input position indicator
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    (öffentliche Elementfunktion of std::basic_istream)[edit]
    		 sets the input position indicator
    (öffentliche Elementfunktion of std::basic_istream)[edit]
    Von „https://de.cppreference.com/mwiki/index.php?title=cpp/io/basic_ostream/seekp&oldid=26838“
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