Namensräume
Varianten
Aktionen

getenv

Aus cppreference.com
< c‎ | program

 
 
Das Programm unterstützt Versorgungsunternehmen
Beendigung des Programms
Original:
Program termination
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
abort
exit
quick_exit(C++11)
_Exit(C++11)
Die Kommunikation mit der Umwelt
Original:
Communicating with the environment
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
getenv
Signale
Original:
Signals
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Signal-Typen
Original:
Signal types
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
SIGABRT
SIGFPE
SIGILL
SIGINT
SIGSEGV
SIGTERM
Nicht-lokale Sprünge
Original:
Non-local jumps
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
setjmp
longjmp
Types
Original:
Types
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
jmp_buf
 
Defined in header <stdlib.h>
const char *getenv( const char *env_var );
Sucht nach einem Umgebungsvariable mit dem Namen env_var im Host-Umfeld angegebenen Liste und kehrt damit verbundenen Informationen. Der Satz von Umgebungsvariablen und Methoden der Veränderung es sind die Implementierung definiert .
Original:
Searches for an environmental variable with name env_var in the host-specified environment list and returns information associated with it. The set of environmental variables and methods of altering it are implementation-defined.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

Inhaltsverzeichnis

[Bearbeiten] Parameter

env_var -
null-terminierte Zeichenkette, die den Namen der Umgebungsvariablen zu suchen
Original:
null-terminated character string identifying the name of the environmental variable to look for
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[Bearbeiten] Rückgabewert

Zeichenkette identifiziert den Wert der Umgebungsvariable oder NULL wenn diese Variable nicht gefunden wird .
Original:
character string identifying the value of the environmental variable or NULL if such variable is not found.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[Bearbeiten] Beispiel

[Bearbeiten] Siehe auch