Copyright (C) 1994, Digital Equipment Corp.
modified On Tue Sep 10 15:28:14 1985 By rovner
This interface provides access to the environment variables given
to a process when it is started (see Process.Create
).
\index{environment variables}
\index{process!environment variables}
INTERFACE Env;
PROCEDURE Get(nm: TEXT): TEXT;
Return the value of the environment variable whose name is equal to
nm
, or NIL
if there is no such variable.
VAR (*CONST*) Count: CARDINAL;
Environment variables are indexed from 0
to Count-1
.
PROCEDURE GetNth(n: CARDINAL; VAR (*OUT*) nm, val: TEXT);
Set nm
and val
to the name and value of the environment
variable with index n
. It is a checked runtime error if n >=
Count
.
END Env.