C-style file input/output
Aus cppreference.com
![]() | This page has been machine-translated from the English version of the wiki using Google Translate. The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions click here. |
Die CI / O Teilmenge der C + +-Standard-Bibliothek implementiert C-style-Stream Input / Output-Operationen. Die
<cstdio>
Header bietet generische Dateioperation Unterstützung und Versorgung Funktionen mit schmalen und Multibyte-Zeichen Input / Output-Funktionen und die <cwchar>
Header bietet Funktionen mit Wide-Character Input / Output-Funktionen . 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. 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.
C-Streams sind Objekte vom Typ std::FILE, die nur abgerufen und durch Pointer vom Typ std::FILE* (Hinweis manipuliert werden kann: Während es möglich sein kann, um eine lokale Objekt vom Typ std::FILE durch Dereferenzierung und Kopieren eines gültigen FILE* erstellen, indem Sie die Adresse einer solchen Kopie in die I / O-Funktionen ist undefiniertes Verhalten). Jede C-Strom wird mit einem externen physikalischen Gerät (Datei, Standardeingabestream, Drucker, seriellen Port, usw.) zugeordnet .
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).
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.
C-Streams können sowohl für unformatierte und formatierte Ein-und Ausgang genutzt werden. Sie sind locale-empfindlich und können breit / Multibyte Konvertierungen wie nötig durchzuführen. Im Gegensatz zu C + +-Streams, wo jeder Strom mit eigenen locale verbunden ist, Zugriff auf alle C-Streams die gleiche locale Objekt: dem zuletzt installiert mit std::setlocale .
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.
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.
Neben dem System-spezifischen Informationen, die auf das Gerät zugreifen (zB POSIX file descriptor) hält jeder C-Stream-Objekt die folgenden:
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.
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.
1)
Zeichenbreite: schmal oder breit
Original:
Character width: narrow or wide
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.
2)
Pufferung Zustand: unbuffered, Line-gepuffert, Fully Buffered .
Original:
Buffering state: unbuffered, line-buffered, fully buffered.
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.
3)
Der Puffer, der durch einen externen, von Benutzern bereitgestellte Puffer ersetzt werden können .
Original:
The buffer, which may be replaced by an external, user-provided buffer.
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.
4)
I / O-Modus: Eingangs-, Ausgangs-oder update (Eingang und Ausgang) .
Original:
I/O mode: input, output, or update (both input and output).
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.
5)
Binär / Text-Modus-Anzeige .
Original:
Binary/text mode indicator.
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.
6)
End-of-file Statusanzeige .
Original:
End-of-file status indicator.
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.
7)
Fehler Statusanzeige .
Original:
Error status indicator.
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.
8)
Dateipositionszeigers (ein Objekt vom Typ std::fpos_t), die, für breite Zeichenströme, umfasst die Parse-Zustand (ein Objekt vom Typ 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).
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]Funktionen
Original: File access The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | |
öffnet eine Datei Original: opens a file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
Öffnen einer vorhandenen Stream mit einem anderen Namen Original: open an existing stream with a different name The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
schließt eine Datei Original: closes a file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
synchronisiert einen Ausgabe-Stream mit der eigentlichen Datei Original: synchronizes an output stream with the actual file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
schaltet ein Datei-Stream zwischen wide character I / O und engen Charakter I / O Original: switches a file stream between wide character I/O and narrow character I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
setzt den Puffer für einen Datei-Stream Original: sets the buffer for a file stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
setzt den Puffer und dessen Größe für eine Datei-Stream Original: sets the buffer and its size for a file stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
Original: Direct input/output The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | |
liest aus einer Datei Original: reads from a file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
eine Datei schreibt Original: writes to a file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
Original: Unformatted input/output The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | |
Original: Narrow character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | |
bekommt einen Charakter aus einem Datei-Stream Original: gets a character from a file stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
erhält eine Zeichenkette aus einem Datei-Stream Original: gets a character string from a file stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
Schreibt ein Zeichen in einem Datei-Stream Original: writes a character to a file stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
schreibt eine Zeichenkette in einer Datei-Stream Original: writes a character string to a file stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
liest ein Zeichen aus stdin Original: reads a character from stdin The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
liest eine Zeichenkette aus stdin Original: reads a character string from stdin The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
Schreibt ein Zeichen in stdout Original: writes a character to stdout The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
schreibt eine Zeichenkette stdout Original: writes a character string to stdout The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
setzt ein Zeichen zurück in ein Datei-Stream Original: puts a character back into a file stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
Original: Wide character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | |
erhält eine breite Zeichen aus einem Datei-Stream Original: gets a wide character from a file stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
erhält eine breite Zeichenfolge aus einem Datei-Stream Original: gets a wide string from a file stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
schreibt eine breite Zeichen in eine Datei-Stream Original: writes a wide character to a file stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
schreibt ein breites String in eine Datei-Stream Original: writes a wide string to a file stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
liest eine breite Zeichen aus stdin Original: reads a wide character from stdin The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
schreibt eine breite Zeichen stdout Original: writes a wide character to stdout The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
stellt eine breite Zeichen zurück in ein Datei-Stream Original: puts a wide character back into a file stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
Original: Formatted input/output The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | |
Original: Narrow/multibyte character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | |
liest formatierten Eingaben von stdin, eine Datei-Strom oder einen Puffer Original: reads formatted input from stdin, a file stream or a buffer The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
(C++11) (C++11) (C++11) | liest formatierte Eingabe von stdin, ein Datei-Stream oder ein buffer mit variabler Argumentliste Original: reads formatted input from stdin, 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. (Funktion) |
(C++11) | Drucke formatiert Ausgabe an stdout, eine Datei-Strom oder einen Puffer Original: prints formatted output to stdout, a file stream or a buffer The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) |
Drucke formatierte Ausgabe auf stdout, ein Datei-Stream oder ein buffer mit variabler Argumentliste 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. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
Original: Wide character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | |
liest formatierten breiten Zeicheneingabe von stdin, eine Datei-Strom oder einen Puffer Original: reads formatted wide character input from stdin, a file stream or a buffer The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
(C++11) (C++11) (C++11) | liest formatierte breite Zeicheneingabe von stdin eine Datei stream oder einen Puffer mit variabler Argumentliste 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. You can help to correct and verify the translation. Click here for instructions. (Funktion) |
Drucke formatiert Breitzeichen Ausgang stdout, ein Datei-Stream oder einen Puffer Original: prints formatted wide character output to stdout, a file stream or a buffer The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
Drucke formatiert Breitzeichen Ausgang stdout eine Datei stream oder einen Puffer mit variabler Argumentliste 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. (Funktion) | |
Original: File positioning The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | |
liefert die aktuelle Position in der Datei-Anzeige Original: returns the current file position indicator The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
erhält die Datei Stellungsanzeige Original: gets the file position indicator The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
verschiebt die Datei Positionsanzeiger zu einer bestimmten Position in einer Datei Original: moves the file position indicator to a specific location in a file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
verschiebt die Datei Positionsanzeiger zu einer bestimmten Position in einer Datei Original: moves the file position indicator to a specific location in a file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
verschiebt die Datei Stellungsanzeige zum Anfang in einer Datei Original: moves the file position indicator to the beginning in a file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
Original: Error handling The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | |
löscht Fehler Original: clears errors The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
Prüfungen für die End-of-Datei Original: checks for the end-of-file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
Prüfungen für eine Datei Fehler Original: checks for a file error The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
zeigt eine Zeichenfolge entspricht der aktuellen Fehler stderr Original: displays a character string corresponding of the current error to stderr The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
Original: Operations on files The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | |
löscht eine Datei Original: erases a file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
benennt eine Datei Original: renames a file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
erstellt und öffnet eine temporäre, automatische Entfernen Datei Original: creates and opens a temporary, auto-removing file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
gibt einen eindeutigen Dateinamen Original: returns a unique filename The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) |
[Bearbeiten]Types
definiert in Header <cstdio> | |
Type Original: Type The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | Definition |
FILE | Art, halten können alle erforderlichen Informationen, um eine CI / O-Stream steuern Original: type, capable of holding all information needed to control a C I/O stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
fpos_t | Typ, der fähig eindeutigen Spezifizieren einer Position in einem Bild Original: type, capable of uniquely specifying a position in a file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[Bearbeiten]Makros
definiert in Header <cstdio> | |
stdin stdout stderr | Ausdruck des Typs FILE* mit dem Eingang stream expression vom Typ FILE* mit dem Ausgang stream expression vom Typ FILE* mit der Fehlerausgabe-Stream zugeordnet zugeordnet 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. You can help to correct and verify the translation. Click here for instructions. (Makro konstant) |
EOF | Ganzzahlkonstantenausdruck vom Typ int und negativen Wert Original: integer constant expression of type int and negative value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Makro konstant) |
FOPEN_MAX | Anzahl der Dateien, die gleichzeitig geöffnet sein können Original: number of files that can be open simultaneously The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Makro konstant) |
FILENAME_MAX | Größe für ein Array von char die längste unterstützt Dateinamen zu halten benötigt Original: size needed for an array of char to hold the longest supported file name The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Makro konstant) |
BUFSIZ | Größe des Puffers durch std::setbuf verwendet Original: size of the buffer used by std::setbuf The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Makro konstant) |
_IOFBF _IOLBF _IONBF | Argument std::setbuf für vollständig I / O argument um std::setbuf Angabe zeilengepufferte gepufferte I / O argument um std::setbuf Angabe unbuffered I / O 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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Makro konstant) |
SEEK_SET SEEK_CUR SEEK_END | Argument std::fseek Angabe sucht ab Anfang des file argument um std::fseek Angabe sucht aus der aktuellen Datei position argument um std::fseek anzeigt suchen ab Ende der Datei 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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Makro konstant) |
TMP_MAX | maximale Anzahl der eindeutigen Dateinamen, die von std::tmpnam erzeugt werden kann Original: maximum number of unique filenames that can be generated by std::tmpnam The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Makro konstant) |
L_tmpnam | Größe für ein Array von Zeichen benötigt, um das Ergebnis der std::tmpnam halten Original: size needed for an array of char to hold the result of std::tmpnam The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Makro konstant) |