bcmp			(POSIX.1-2001, SUSv3)
    bcopy			(SUSv3)
    bzero			(SUSv3)
    cuserid			(POSIX.1-1988, SUSv2)
    ecvt			(SUSv3)
    endutent			(XPG2)
    fcvt			(SUSv3)
    ftime			(SUSv3)
    gcvt			(SUSv3)
    gethostbyaddr		(SUSv3)
    gethostbyname		(SUSv3)
    gethostbyname2		(first defined in BIND 4.9.4)
    getpass			(SUSv2)
    getutent			(XPG2)
    getutid			(XPG2)
    getutline			(XPG2)
    getw			(SVID)
    getwd			(SUSv3)
    h_errno			(SUSv3)
    index			(SUSv3)
    mallinfo			(SVID)
    mallopt			(SVID)
    mktemp			(SUSv3)
    on_exit			(SunOS)
    pthread_continue		(XPG2)
    pthread_getsequence_np	(Tru64)
    pthread_suspend		(XPG2)
    pututline			(XPG2)
    putw			(SVID)
    rindex			(SUSv3)
    scalb			(SUSv3)
    setutent			(XPG2)
    sys_errlist			(BSD)
    sys_nerr			(BSD)
    ttyslot			(SUSv2)
    ualarm			(SUSv3)
    usleep			(SUSv3)
    utmpname			(XPG2)
    vfork			(SUSv3) (see chapter "Implementation Notes")