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LETTERgetenvULETTER Gets an environment variable.

Overview
#include <stdlib.h>

var = getenv(name);

char *var;
const char *name;

Portability
ANSI

Description
This function returns a pointer to the value of the environment variable "name", or zero, if the variable does not exist. Environment variables may be set using the CLI commands "setenv" and "set".