std::ungetc – cppreference.com

std::ungetc

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C++
 
Input / Output-Bibliothek
I / O-Manipulatoren
C-style I / O
Puffern
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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)
 
C-style I / O
Funktionen
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Functions
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Dateizugriff
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File access
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Direkte Eingabe / Ausgabe
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Direct input/output
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fread
fwrite
Unformatierte Eingang / Ausgang
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Unformatted input/output
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Formatierte Eingabe / Ausgabe
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Formatted input/output
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Datei Positionierung
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File positioning
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ftell
fgetpos
fseek
fsetpos
rewind
Fehlerbehandlung
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Error handling
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clearerr
feof
ferror
perror
Operationen auf Dateien
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Operations on files
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remove
rename
tmpfile
tmpnam
 
<tbody> </tbody>
definiert in Header <cstdio>
int ungetc( int ch, FILE *stream );
Versetzt den Charakter ch zurück in die angegebene Datei Stream .
Original:
Puts the character ch back to the given file stream.
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Parameter

ch -
Charakter zurück gebracht werden
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character to be put back
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stream -
Datei-Stream, um das Zeichen wieder an die
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file stream to put the character back to
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Rückgabewert

Bei Erfolg ch zurückgegeben .
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On success ch is returned.
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Bei Ausfall EOF zurückgegeben wird und die angegebenen Stream bleibt unverändert .
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On failure EOF is returned and the given stream remains unchanged.
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Siehe auch