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getenv

getenv

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getenv

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StandardCLibrary

 

char *getenv( char *name )

 

char *name;       /* environment variable name */

 

 

 

 

 




Synopsis

#include "stdlib.h"

 

The getenv function retrieves the environment string associated with the environment variable pointed to by name .

 

 

Parameters

name is a null-terminated string containing the name of the environment variable.

 

 

Return Value

If the environment variable denoted by name exists, getenv returns a pointer to a static buffer containing the associated environment string, the contents of which should not be modified by the programmer, and which may be overwritten by a subsequent call to getenv . Otherwise, getenv returns NULL .

 

 

See Also

get_env