Function Getenv() Foundation
Retrieves the contents of an operating system environment variable.
Getenv( <cSetVar> ) --> cString
Getenv() returns the contents of the specified OS environment variable as a character string. If the variable is not set, a null string ("") is returned.
The environment function Getenv() provides information about the operating system environment from within a program. Generally this information concerns the configuration. Getenv() is most frequently used for retrieving the path name which designates the path where the files accessed by an application program are found. This is especially advantageous in a network environment.
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