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equivalents. name change suggested by Klaus Klein <kjk@netbsd.org> - change defined(BSD4_4) || HAVE_SIN_LEN tests into HAVE_SOCKADDR_SA_LEN, and set the latter if BSD4_4 exists
equivalents. name change suggested by Klaus Klein <kjk@netbsd.org> - change defined(BSD4_4) || HAVE_SIN_LEN tests into HAVE_SOCKADDR_SA_LEN, and set the latter if BSD4_4 exists