dist_name: the name of the package to retrieve the scheme for, used
        in the headers scheme path
    :param user: indicates to use the "user" scheme
    :param home: indicates to use the "home" scheme and provides the base
        directory for the same
    :param root: root under which other directories are re-based
    :param isolated: equivalent to --no-user-cfg, i.e. do not consider
        ~/.pydistutils.cfg (posix) or ~/pydistutils.cfg (non-posix) for
        scheme paths
    :param prefix: indicates to use the "prefix" scheme and provides the
        base directory for the same
    r,