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@(#)getenv.3 6.1 (Berkeley) 05/15/85

C 5 getenv - get value of environment variables subroutine getenv (ename, evalue)

character*(*) ename, evalue

Getenv .a searches the environment list (see environ (7)) for a string of the form ename = value and returns value in evalue if such a string is present, otherwise fills evalue with blanks. environ(7), execve(2)