[Overview][Constants][Types][Procedures and functions] Reference for unit 'BaseUnix' (#rtl)

FpGetEnv

Return value of environment variable.

Declaration

Source position: line 0

function FpGetEnv(

  name: pChar

):pChar;

function FpGetEnv(

  name: String

):pChar;

Description

FPGetEnvreturns the value of the environment variable in Name. If the variable is not defined, nil is returned. The value of the environment variable may be the empty string. A PChar is returned to accomodate for strings longer than 255 bytes, TERMCAPand LS_COLORS, for instance.

Errors

None.

Example

Program Example41;

{ Program to demonstrate the GetEnv function. }

Uses BaseUnix;

begin
  Writeln ('Path is : ',fpGetenv('PATH'));
end.