System interfaces compatible with BSD functions:

    alphasort
    daemon
    drem
    endusershell
    err
    errx
    finite
    finitef
    fiprintf
    flock
    forkpty
    fstatfs
    fts_children
    fts_close
    fts_get_clientptr
    fts_get_stream
    fts_open
    fts_read
    fts_set
    fts_set_clientptr
    gamma
    gamma_r
    gammaf
    gammaf_r
    getdtablesize
    getpagesize
    getpeereid
    getprogname
    getusershell
    herror
    inet_aton
    inet_makeaddr
    inet_netof
    inet_network
    initgroups
    iruserok
    login
    login_tty
    logout
    logwtmp
    mkdtemp
    openpty
    rcmd
    res_close			(available in external "libminires" library)
    res_init			(available in external "libminires" library)
    res_mkquery			(available in external "libminires" library)
    res_nclose			(available in external "libminires" library)
    res_ninit			(available in external "libminires" library)
    res_nmkquery		(available in external "libminires" library)
    res_nquery			(available in external "libminires" library)
    res_nquerydomain		(available in external "libminires" library)
    res_nsearch			(available in external "libminires" library)
    res_nsend			(available in external "libminires" library)
    res_query			(available in external "libminires" library)
    res_querydomain		(available in external "libminires" library)
    res_search			(available in external "libminires" library)
    res_send			(available in external "libminires" library)
    revoke
    rexec
    rresvport
    ruserok
    sbrk
    setbuffer
    setgroups
    setlinebuf
    setpassent
    setprogname
    settimeofday
    setusershell
    statfs
    strlcat
    strlcpy
    strsep
    strsignal
    updwtmp
    valloc
    verr
    verrx
    vhangup			(see chapter "Implementation Notes")
    vsyslog
    vwarn
    vwarnx
    wait3
    wait4
    warn
    warnx
    wcslcat
    wcslcpy