getenv
From cppreference.com
| Defined in header
<stdlib.h>
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| const char *getenv( const char *env_var );
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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.
Contents |
[edit] Parameters
| env_var | - | null-terminated character string identifying the name of the environmental variable to look for |
[edit] Return value
character string identifying the value of the environmental variable or NULL if such variable is not found.
[edit] Example
| This section is incomplete Reason: no example |