# getenv(3)

    NAME
         getenv - value for environment name

    SYNOPSIS
         #include <stdlib.h>

         char *getenv(const char *name)

    DESCRIPTION
         Getenv searches the environment list (see environ(7)) for a string of the
         form  name=value  and  returns  a  pointer  to the string value if such a
         string is present, otherwise getenv returns the null pointer.

    SEE ALSO
         environ(7), execve(2).