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GetEnvironmentVariableCount function

In unit sysutils

Return the number of variables in the environment.

Declaration

pascal
function GetEnvironmentVariableCount: Integer

Description

GetEnvironmentVariableCount returns the number of variables in the environment. The number is 1 based, but the result may be zero if there are no environment variables.

Errors

If there is no environment, -1 may be returned.

See also

Example: ex92

pascal
{$h+}
program example92;

{ This program demonstrates the
  GetEnvironmentVariableCount function }

uses sysutils;

Var
  I : Integer;

begin
  For I:=1 to GetEnvironmentVariableCount do
    Writeln(i:3,' : ',GetEnvironmentString(i));
end.

An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.