getenv

NAME

       getenv - get an environment variable

SYNOPSIS

       #include <stdlib.h>

       char *getenv(const char *name);

DESCRIPTION

       The  getenv() function searches the environment list for a
       string that matches the string pointed to  by  name.   The
       strings are of the form name = value.

RETURN VALUE

       The  getenv()  function  returns a pointer to the value in
       the environment, or NULL if there is no match.

CONFORMING TO

       SVID 3, POSIX, BSD 4.3, ISO 9899

SEE ALSO

       putenv(3), setenv(3), unsetenv(3)