33 files changed, 711 insertions, 0 deletions

diff --git a/networking/arp.c b/networking/arp.c
index 0ef267a35..3f68f5cf7 100644
--- a/networking/arp.c
+++ b/networking/arp.c
@@ -13,6 +13,25 @@
  * modified for getopt32 by Arne Bernin <arne [at] alamut.de>
  */
 
+//usage:#define arp_trivial_usage
+//usage:     "\n[-vn]   [-H HWTYPE] [-i IF] -a [HOSTNAME]"
+//usage:     "\n[-v]                [-i IF] -d HOSTNAME [pub]"
+//usage:     "\n[-v]    [-H HWTYPE] [-i IF] -s HOSTNAME HWADDR [temp]"
+//usage:     "\n[-v]    [-H HWTYPE] [-i IF] -s HOSTNAME HWADDR [netmask MASK] pub"
+//usage:     "\n[-v]    [-H HWTYPE] [-i IF] -Ds HOSTNAME IFACE [netmask MASK] pub"
+//usage:#define arp_full_usage "\n\n"
+//usage:       "Manipulate ARP cache\n"
+//usage:     "\nOptions:"
+//usage:       "\n      -a              Display (all) hosts"
+//usage:       "\n      -s              Set new ARP entry"
+//usage:       "\n      -d              Delete a specified entry"
+//usage:       "\n      -v              Verbose"
+//usage:       "\n      -n              Don't resolve names"
+//usage:       "\n      -i IF           Network interface"
+//usage:       "\n      -D              Read <hwaddr> from given device"
+//usage:       "\n      -A,-p AF        Protocol family"
+//usage:       "\n      -H HWTYPE       Hardware address type"
+
 #include "libbb.h"
 #include "inet_common.h"
 
diff --git a/networking/arping.c b/networking/arping.c
index 6f6b59cfb..357dcaaf0 100644
--- a/networking/arping.c
+++ b/networking/arping.c
@@ -6,6 +6,23 @@
  * Busybox port: Nick Fedchik <nick@fedchik.org.ua>
  */
 
+//usage:#define arping_trivial_usage
+//usage:       "[-fqbDUA] [-c CNT] [-w TIMEOUT] [-I IFACE] [-s SRC_IP] DST_IP"
+//usage:#define arping_full_usage "\n\n"
+//usage:       "Send ARP requests/replies\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -f              Quit on first ARP reply"
+//usage:     "\n        -q              Quiet"
+//usage:     "\n        -b              Keep broadcasting, don't go unicast"
+//usage:     "\n        -D              Duplicated address detection mode"
+//usage:     "\n        -U              Unsolicited ARP mode, update your neighbors"
+//usage:     "\n        -A              ARP answer mode, update your neighbors"
+//usage:     "\n        -c N            Stop after sending N ARP requests"
+//usage:     "\n        -w TIMEOUT      Time to wait for ARP reply, seconds"
+//usage:     "\n        -I IFACE        Interface to use (default eth0)"
+//usage:     "\n        -s SRC_IP       Sender IP address"
+//usage:     "\n        DST_IP          Target IP address"
+
 #include <arpa/inet.h>
 #include <net/if.h>
 #include <netinet/ether.h>
diff --git a/networking/brctl.c b/networking/brctl.c
index c0b094eba..19f474fce 100644
--- a/networking/brctl.c
+++ b/networking/brctl.c
@@ -12,6 +12,30 @@
 /* This applet currently uses only the ioctl interface and no sysfs at all.
  * At the time of this writing this was considered a feature.
  */
+
+//usage:#define brctl_trivial_usage
+//usage:       "COMMAND [BRIDGE [INTERFACE]]"
+//usage:#define brctl_full_usage "\n\n"
+//usage:       "Manage ethernet bridges\n"
+//usage:     "\nCommands:"
+//usage:        IF_FEATURE_BRCTL_SHOW(
+//usage:     "\n        show                    Show a list of bridges"
+//usage:        )
+//usage:     "\n        addbr BRIDGE            Create BRIDGE"
+//usage:     "\n        delbr BRIDGE            Delete BRIDGE"
+//usage:     "\n        addif BRIDGE IFACE      Add IFACE to BRIDGE"
+//usage:     "\n        delif BRIDGE IFACE      Delete IFACE from BRIDGE"
+//usage:        IF_FEATURE_BRCTL_FANCY(
+//usage:     "\n        setageing BRIDGE TIME           Set ageing time"
+//usage:     "\n        setfd BRIDGE TIME               Set bridge forward delay"
+//usage:     "\n        sethello BRIDGE TIME            Set hello time"
+//usage:     "\n        setmaxage BRIDGE TIME           Set max message age"
+//usage:     "\n        setpathcost BRIDGE COST         Set path cost"
+//usage:     "\n        setportprio BRIDGE PRIO         Set port priority"
+//usage:     "\n        setbridgeprio BRIDGE PRIO       Set bridge priority"
+//usage:     "\n        stp BRIDGE [1/yes/on|0/no/off]  STP on/off"
+//usage:        )
+
 #include "libbb.h"
 #include <linux/sockios.h>
 #include <net/if.h>
diff --git a/networking/dnsd.c b/networking/dnsd.c
index 8ed31cea2..65eae9670 100644
--- a/networking/dnsd.c
+++ b/networking/dnsd.c
@@ -17,6 +17,22 @@
  * the first porting of oao' scdns to busybox also.
  */
 
+//usage:#define dnsd_trivial_usage
+//usage:       "[-dvs] [-c CONFFILE] [-t TTL_SEC] [-p PORT] [-i ADDR]"
+//usage:#define dnsd_full_usage "\n\n"
+//usage:       "Small static DNS server daemon\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -c FILE Config file"
+//usage:     "\n        -t SEC  TTL"
+//usage:     "\n        -p PORT Listen on PORT"
+//usage:     "\n        -i ADDR Listen on ADDR"
+//usage:     "\n        -d      Daemonize"
+//usage:     "\n        -v      Verbose"
+//usage:     "\n        -s      Send successful replies only. Use this if you want"
+//usage:     "\n                to use /etc/resolv.conf with two nameserver lines:"
+//usage:     "\n                        nameserver DNSD_SERVER"
+//usage:     "\n                        nameserver NORNAL_DNS_SERVER"
+
 #include "libbb.h"
 #include <syslog.h>
 
diff --git a/networking/ether-wake.c b/networking/ether-wake.c
index 8f1479c02..7bb9aa5a7 100644
--- a/networking/ether-wake.c
+++ b/networking/ether-wake.c
@@ -64,6 +64,16 @@
  *   filter.  That configuration consumes more power.
 */
 
+//usage:#define ether_wake_trivial_usage
+//usage:       "[-b] [-i iface] [-p aa:bb:cc:dd[:ee:ff]] MAC"
+//usage:#define ether_wake_full_usage "\n\n"
+//usage:       "Send a magic packet to wake up sleeping machines.\n"
+//usage:       "MAC must be a station address (00:11:22:33:44:55) or\n"
+//usage:       "a hostname with a known 'ethers' entry.\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -b              Send wake-up packet to the broadcast address"
+//usage:     "\n        -i iface        Interface to use (default eth0)"
+//usage:     "\n        -p pass         Append four or six byte password PW to the packet"
 
 #include <netpacket/packet.h>
 #include <net/ethernet.h>
diff --git a/networking/ftpgetput.c b/networking/ftpgetput.c
index 09c5ff30f..66316e21f 100644
--- a/networking/ftpgetput.c
+++ b/networking/ftpgetput.c
@@ -13,6 +13,44 @@
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 
+//usage:#define ftpget_trivial_usage
+//usage:       "[OPTIONS] HOST [LOCAL_FILE] REMOTE_FILE"
+//usage:#define ftpget_full_usage "\n\n"
+//usage:       "Retrieve a remote file via FTP\n"
+//usage:     "\nOptions:"
+//usage:        IF_FEATURE_FTPGETPUT_LONG_OPTIONS(
+//usage:     "\n        -c,--continue   Continue previous transfer"
+//usage:     "\n        -v,--verbose    Verbose"
+//usage:     "\n        -u,--username   Username"
+//usage:     "\n        -p,--password   Password"
+//usage:     "\n        -P,--port       Port number"
+//usage:        )
+//usage:        IF_NOT_FEATURE_FTPGETPUT_LONG_OPTIONS(
+//usage:     "\n        -c      Continue previous transfer"
+//usage:     "\n        -v      Verbose"
+//usage:     "\n        -u      Username"
+//usage:     "\n        -p      Password"
+//usage:     "\n        -P      Port number"
+//usage:        )
+//usage:
+//usage:#define ftpput_trivial_usage
+//usage:       "[OPTIONS] HOST [REMOTE_FILE] LOCAL_FILE"
+//usage:#define ftpput_full_usage "\n\n"
+//usage:       "Store a local file on a remote machine via FTP\n"
+//usage:     "\nOptions:"
+//usage:        IF_FEATURE_FTPGETPUT_LONG_OPTIONS(
+//usage:     "\n        -v,--verbose    Verbose"
+//usage:     "\n        -u,--username   Username"
+//usage:     "\n        -p,--password   Password"
+//usage:     "\n        -P,--port       Port number"
+//usage:        )
+//usage:        IF_NOT_FEATURE_FTPGETPUT_LONG_OPTIONS(
+//usage:     "\n        -v      Verbose"
+//usage:     "\n        -u      Username"
+//usage:     "\n        -p      Password"
+//usage:     "\n        -P      Port number"
+//usage:        )
+
 #include "libbb.h"
 
 struct globals {
diff --git a/networking/hostname.c b/networking/hostname.c
index 66b52dd90..49a3e89bb 100644
--- a/networking/hostname.c
+++ b/networking/hostname.c
@@ -9,6 +9,25 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+
+//usage:#define hostname_trivial_usage
+//usage:       "[OPTIONS] [HOSTNAME | -F FILE]"
+//usage:#define hostname_full_usage "\n\n"
+//usage:       "Get or set hostname or DNS domain name\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -s      Short"
+//usage:     "\n        -i      Addresses for the hostname"
+//usage:     "\n        -d      DNS domain name"
+//usage:     "\n        -f      Fully qualified domain name"
+//usage:     "\n        -F FILE Use FILE's content as hostname"
+//usage:
+//usage:#define hostname_example_usage
+//usage:       "$ hostname\n"
+//usage:       "sage\n"
+//usage:
+//usage:#define dnsdomainname_trivial_usage NOUSAGE_STR
+//usage:#define dnsdomainname_full_usage ""
+
 #include "libbb.h"
 
 static void do_sethostname(char *s, int isfile)
diff --git a/networking/httpd.c b/networking/httpd.c
index eded7b63f..d6157aca2 100644
--- a/networking/httpd.c
+++ b/networking/httpd.c
@@ -97,6 +97,32 @@
  */
  /* TODO: use TCP_CORK, parse_config() */
 
+//usage:#define httpd_trivial_usage
+//usage:       "[-ifv[v]]"
+//usage:       " [-c CONFFILE]"
+//usage:       " [-p [IP:]PORT]"
+//usage:        IF_FEATURE_HTTPD_SETUID(" [-u USER[:GRP]]")
+//usage:        IF_FEATURE_HTTPD_BASIC_AUTH(" [-r REALM]")
+//usage:       " [-h HOME]\n"
+//usage:       "or httpd -d/-e" IF_FEATURE_HTTPD_AUTH_MD5("/-m") " STRING"
+//usage:#define httpd_full_usage "\n\n"
+//usage:       "Listen for incoming HTTP requests\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -i              Inetd mode"
+//usage:     "\n        -f              Don't daemonize"
+//usage:     "\n        -v[v]           Verbose"
+//usage:     "\n        -p [IP:]PORT    Bind to IP:PORT (default *:80)"
+//usage:        IF_FEATURE_HTTPD_SETUID(
+//usage:     "\n        -u USER[:GRP]   Set uid/gid after binding to port")
+//usage:        IF_FEATURE_HTTPD_BASIC_AUTH(
+//usage:     "\n        -r REALM        Authentication Realm for Basic Authentication")
+//usage:     "\n        -h HOME         Home directory (default .)"
+//usage:     "\n        -c FILE         Configuration file (default {/etc,HOME}/httpd.conf)"
+//usage:        IF_FEATURE_HTTPD_AUTH_MD5(
+//usage:     "\n        -m STRING       MD5 crypt STRING")
+//usage:     "\n        -e STRING       HTML encode STRING"
+//usage:     "\n        -d STRING       URL decode STRING"
+
 #include "libbb.h"
 #if ENABLE_FEATURE_HTTPD_USE_SENDFILE
 # include <sys/sendfile.h>
diff --git a/networking/ifconfig.c b/networking/ifconfig.c
index da2635ce0..220b02126 100644
--- a/networking/ifconfig.c
+++ b/networking/ifconfig.c
@@ -26,6 +26,27 @@
  * IPV6 support added by Bart Visscher <magick@linux-fan.com>
  */
 
+//usage:#define ifconfig_trivial_usage
+//usage:        IF_FEATURE_IFCONFIG_STATUS("[-a]") " interface [address]"
+//usage:#define ifconfig_full_usage "\n\n"
+//usage:       "Configure a network interface\n"
+//usage:     "\nOptions:"
+//usage:     "\n"
+//usage:        IF_FEATURE_IPV6(
+//usage:       "        [add ADDRESS[/PREFIXLEN]]\n")
+//usage:        IF_FEATURE_IPV6(
+//usage:       "        [del ADDRESS[/PREFIXLEN]]\n")
+//usage:       "        [[-]broadcast [ADDRESS]] [[-]pointopoint [ADDRESS]]\n"
+//usage:       "        [netmask ADDRESS] [dstaddr ADDRESS]\n"
+//usage:        IF_FEATURE_IFCONFIG_SLIP(
+//usage:       "        [outfill NN] [keepalive NN]\n")
+//usage:       "        " IF_FEATURE_IFCONFIG_HW("[hw ether" IF_FEATURE_HWIB("|infiniband")" ADDRESS] ") "[metric NN] [mtu NN]\n"
+//usage:       "        [[-]trailers] [[-]arp] [[-]allmulti]\n"
+//usage:       "        [multicast] [[-]promisc] [txqueuelen NN] [[-]dynamic]\n"
+//usage:        IF_FEATURE_IFCONFIG_MEMSTART_IOADDR_IRQ(
+//usage:       "        [mem_start NN] [io_addr NN] [irq NN]\n")
+//usage:       "        [up|down] ..."
+
 #include <net/if.h>
 #include <net/if_arp.h>
 #include <netinet/in.h>
diff --git a/networking/ifenslave.c b/networking/ifenslave.c
index 0b3ebf72a..208623e7d 100644
--- a/networking/ifenslave.c
+++ b/networking/ifenslave.c
@@ -98,6 +98,33 @@
  *         set version to 1.1.0
  */
 
+//usage:#define ifenslave_trivial_usage
+//usage:       "[-cdf] MASTER_IFACE SLAVE_IFACE..."
+//usage:#define ifenslave_full_usage "\n\n"
+//usage:       "Configure network interfaces for parallel routing\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -c,--change-active      Change active slave"
+//usage:     "\n        -d,--detach             Remove slave interface from bonding device"
+//usage:     "\n        -f,--force              Force, even if interface is not Ethernet"
+/* //usage:  "\n        -r,--receive-slave      Create a receive-only slave" */
+//usage:
+//usage:#define ifenslave_example_usage
+//usage:       "To create a bond device, simply follow these three steps:\n"
+//usage:       "- ensure that the required drivers are properly loaded:\n"
+//usage:       "  # modprobe bonding ; modprobe <3c59x|eepro100|pcnet32|tulip|...>\n"
+//usage:       "- assign an IP address to the bond device:\n"
+//usage:       "  # ifconfig bond0 <addr> netmask <mask> broadcast <bcast>\n"
+//usage:       "- attach all the interfaces you need to the bond device:\n"
+//usage:       "  # ifenslave bond0 eth0 eth1 eth2\n"
+//usage:       "  If bond0 didn't have a MAC address, it will take eth0's. Then, all\n"
+//usage:       "  interfaces attached AFTER this assignment will get the same MAC addr.\n\n"
+//usage:       "  To detach a dead interface without setting the bond device down:\n"
+//usage:       "  # ifenslave -d bond0 eth1\n\n"
+//usage:       "  To set the bond device down and automatically release all the slaves:\n"
+//usage:       "  # ifconfig bond0 down\n\n"
+//usage:       "  To change active slave:\n"
+//usage:       "  # ifenslave -c bond0 eth0\n"
+
 #include "libbb.h"
 
 /* #include <net/if.h> - no. linux/if_bonding.h pulls in linux/if.h */
diff --git a/networking/ifplugd.c b/networking/ifplugd.c
index 8dd0a5bd8..421611aae 100644
--- a/networking/ifplugd.c
+++ b/networking/ifplugd.c
@@ -6,6 +6,32 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+
+//usage:#define ifplugd_trivial_usage
+//usage:       "[OPTIONS]"
+//usage:#define ifplugd_full_usage "\n\n"
+//usage:       "Network interface plug detection daemon\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -n              Don't daemonize"
+//usage:     "\n        -s              Don't log to syslog"
+//usage:     "\n        -i IFACE        Interface"
+//usage:     "\n        -f/-F           Treat link detection error as link down/link up"
+//usage:     "\n                        (otherwise exit on error)"
+//usage:     "\n        -a              Don't up interface at each link probe"
+//usage:     "\n        -M              Monitor creation/destruction of interface"
+//usage:     "\n                        (otherwise it must exist)"
+//usage:     "\n        -r PROG         Script to run"
+//usage:     "\n        -x ARG          Extra argument for script"
+//usage:     "\n        -I              Don't exit on nonzero exit code from script"
+//usage:     "\n        -p              Don't run script on daemon startup"
+//usage:     "\n        -q              Don't run script on daemon quit"
+//usage:     "\n        -l              Run script on startup even if no cable is detected"
+//usage:     "\n        -t SECS         Poll time in seconds"
+//usage:     "\n        -u SECS         Delay before running script after link up"
+//usage:     "\n        -d SECS         Delay after link down"
+//usage:     "\n        -m MODE         API mode (mii, priv, ethtool, wlan, iff, auto)"
+//usage:     "\n        -k              Kill running daemon"
+
 #include "libbb.h"
 
 #include "fix_u32.h"
diff --git a/networking/ifupdown.c b/networking/ifupdown.c
index 7706a84b7..b48abb7dc 100644
--- a/networking/ifupdown.c
+++ b/networking/ifupdown.c
@@ -17,6 +17,34 @@
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 
+//usage:#define ifup_trivial_usage
+//usage:       "[-an"IF_FEATURE_IFUPDOWN_MAPPING("m")"vf] [-i FILE] IFACE..."
+//usage:#define ifup_full_usage "\n\n"
+//usage:       "Options:"
+//usage:     "\n        -a      De/configure all interfaces automatically"
+//usage:     "\n        -i FILE Use FILE for interface definitions"
+//usage:     "\n        -n      Print out what would happen, but don't do it"
+//usage:        IF_FEATURE_IFUPDOWN_MAPPING(
+//usage:     "\n                (note: doesn't disable mappings)"
+//usage:     "\n        -m      Don't run any mappings"
+//usage:        )
+//usage:     "\n        -v      Print out what would happen before doing it"
+//usage:     "\n        -f      Force de/configuration"
+//usage:
+//usage:#define ifdown_trivial_usage
+//usage:       "[-an"IF_FEATURE_IFUPDOWN_MAPPING("m")"vf] [-i FILE] IFACE..."
+//usage:#define ifdown_full_usage "\n\n"
+//usage:       "Options:"
+//usage:     "\n        -a      De/configure all interfaces automatically"
+//usage:     "\n        -i FILE Use FILE for interface definitions"
+//usage:     "\n        -n      Print out what would happen, but don't do it"
+//usage:        IF_FEATURE_IFUPDOWN_MAPPING(
+//usage:     "\n                (note: doesn't disable mappings)"
+//usage:     "\n        -m      Don't run any mappings"
+//usage:        )
+//usage:     "\n        -v      Print out what would happen before doing it"
+//usage:     "\n        -f      Force de/configuration"
+
 #include "libbb.h"
 /* After libbb.h, since it needs sys/types.h on some systems */
 #include <sys/utsname.h>
diff --git a/networking/inetd.c b/networking/inetd.c
index 6018665ef..226a6491c 100644
--- a/networking/inetd.c
+++ b/networking/inetd.c
@@ -154,6 +154,17 @@
  *                      setuid()
  */
 
+//usage:#define inetd_trivial_usage
+//usage:       "[-fe] [-q N] [-R N] [CONFFILE]"
+//usage:#define inetd_full_usage "\n\n"
+//usage:       "Listen for network connections and launch programs\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -f      Run in foreground"
+//usage:     "\n        -e      Log to stderr"
+//usage:     "\n        -q N    Socket listen queue (default: 128)"
+//usage:     "\n        -R N    Pause services after N connects/min"
+//usage:     "\n                (default: 0 - disabled)"
+
 #include <syslog.h>
 #include <sys/un.h>
 
diff --git a/networking/ip.c b/networking/ip.c
index 350656cef..98d583325 100644
--- a/networking/ip.c
+++ b/networking/ip.c
@@ -9,6 +9,79 @@
  * Bernhard Reutner-Fischer rewrote to use index_in_substr_array
  */
 
+/* would need to make the " | " optional depending on more than one selected: */
+//usage:#define ip_trivial_usage
+//usage:       "[OPTIONS] {"
+//usage:        IF_FEATURE_IP_ADDRESS("address | ")
+//usage:        IF_FEATURE_IP_ROUTE("route | ")
+//usage:        IF_FEATURE_IP_LINK("link | ")
+//usage:        IF_FEATURE_IP_TUNNEL("tunnel | ")
+//usage:        IF_FEATURE_IP_RULE("rule")
+//usage:       "} {COMMAND}"
+//usage:#define ip_full_usage "\n\n"
+//usage:       "ip [OPTIONS] OBJECT {COMMAND}\n"
+//usage:       "where OBJECT := {"
+//usage:        IF_FEATURE_IP_ADDRESS("address | ")
+//usage:        IF_FEATURE_IP_ROUTE("route | ")
+//usage:        IF_FEATURE_IP_LINK("link | ")
+//usage:        IF_FEATURE_IP_TUNNEL("tunnel | ")
+//usage:        IF_FEATURE_IP_RULE("rule")
+//usage:       "}\n"
+//usage:       "OPTIONS := { -f[amily] { inet | inet6 | link } | -o[neline] }"
+//usage:
+//usage:#define ipaddr_trivial_usage
+//usage:       "{ {add|del} IFADDR dev STRING | {show|flush}\n"
+//usage:       "                [dev STRING] [to PREFIX] }"
+//usage:#define ipaddr_full_usage "\n\n"
+//usage:       "ipaddr {add|delete} IFADDR dev STRING\n"
+//usage:       "ipaddr {show|flush} [dev STRING] [scope SCOPE-ID]\n"
+//usage:       "        [to PREFIX] [label PATTERN]\n"
+//usage:       "        IFADDR := PREFIX | ADDR peer PREFIX\n"
+//usage:       "        [broadcast ADDR] [anycast ADDR]\n"
+//usage:       "        [label STRING] [scope SCOPE-ID]\n"
+//usage:       "        SCOPE-ID := [host | link | global | NUMBER]"
+//usage:
+//usage:#define iplink_trivial_usage
+//usage:       "{ set DEVICE { up | down | arp { on | off } | show [DEVICE] }"
+//usage:#define iplink_full_usage "\n\n"
+//usage:       "iplink set DEVICE { up | down | arp | multicast { on | off } |\n"
+//usage:       "                        dynamic { on | off } |\n"
+//usage:       "                        mtu MTU }\n"
+//usage:       "iplink show [DEVICE]"
+//usage:
+//usage:#define iproute_trivial_usage
+//usage:       "{ list | flush | { add | del | change | append |\n"
+//usage:       "                replace | monitor } ROUTE }"
+//usage:#define iproute_full_usage "\n\n"
+//usage:       "iproute { list | flush } SELECTOR\n"
+//usage:       "iproute get ADDRESS [from ADDRESS iif STRING]\n"
+//usage:       "                        [oif STRING]  [tos TOS]\n"
+//usage:       "iproute { add | del | change | append | replace | monitor } ROUTE\n"
+//usage:       "                        SELECTOR := [root PREFIX] [match PREFIX] [proto RTPROTO]\n"
+//usage:       "                        ROUTE := [TYPE] PREFIX [tos TOS] [proto RTPROTO]\n"
+//usage:       "                                [metric METRIC]"
+//usage:
+//usage:#define iprule_trivial_usage
+//usage:       "{[list | add | del] RULE}"
+//usage:#define iprule_full_usage "\n\n"
+//usage:       "iprule [list | add | del] SELECTOR ACTION\n"
+//usage:       "        SELECTOR := [from PREFIX] [to PREFIX] [tos TOS] [fwmark FWMARK]\n"
+//usage:       "                        [dev STRING] [pref NUMBER]\n"
+//usage:       "        ACTION := [table TABLE_ID] [nat ADDRESS]\n"
+//usage:       "                        [prohibit | reject | unreachable]\n"
+//usage:       "                        [realms [SRCREALM/]DSTREALM]\n"
+//usage:       "        TABLE_ID := [local | main | default | NUMBER]"
+//usage:
+//usage:#define iptunnel_trivial_usage
+//usage:       "{ add | change | del | show } [NAME]\n"
+//usage:       "        [mode { ipip | gre | sit }]\n"
+//usage:       "        [remote ADDR] [local ADDR] [ttl TTL]"
+//usage:#define iptunnel_full_usage "\n\n"
+//usage:       "iptunnel { add | change | del | show } [NAME]\n"
+//usage:       "        [mode { ipip | gre | sit }] [remote ADDR] [local ADDR]\n"
+//usage:       "        [[i|o]seq] [[i|o]key KEY] [[i|o]csum]\n"
+//usage:       "        [ttl TTL] [tos TOS] [[no]pmtudisc] [dev PHYS_DEV]"
+
 #include "libbb.h"
 
 #include "libiproute/utils.h"
diff --git a/networking/ipcalc.c b/networking/ipcalc.c
index acbaa4ac5..f96c73912 100644
--- a/networking/ipcalc.c
+++ b/networking/ipcalc.c
@@ -11,6 +11,33 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+
+//usage:#define ipcalc_trivial_usage
+//usage:       "[OPTIONS] ADDRESS[[/]NETMASK] [NETMASK]"
+//usage:#define ipcalc_full_usage "\n\n"
+//usage:       "Calculate IP network settings from a IP address\n"
+//usage:     "\nOptions:"
+//usage:        IF_FEATURE_IPCALC_LONG_OPTIONS(
+//usage:     "\n        -b,--broadcast  Display calculated broadcast address"
+//usage:     "\n        -n,--network    Display calculated network address"
+//usage:     "\n        -m,--netmask    Display default netmask for IP"
+//usage:        IF_FEATURE_IPCALC_FANCY(
+//usage:     "\n        -p,--prefix     Display the prefix for IP/NETMASK"
+//usage:     "\n        -h,--hostname   Display first resolved host name"
+//usage:     "\n        -s,--silent     Don't ever display error messages"
+//usage:        )
+//usage:        )
+//usage:        IF_NOT_FEATURE_IPCALC_LONG_OPTIONS(
+//usage:     "\n        -b      Display calculated broadcast address"
+//usage:     "\n        -n      Display calculated network address"
+//usage:     "\n        -m      Display default netmask for IP"
+//usage:        IF_FEATURE_IPCALC_FANCY(
+//usage:     "\n        -p      Display the prefix for IP/NETMASK"
+//usage:     "\n        -h      Display first resolved host name"
+//usage:     "\n        -s      Don't ever display error messages"
+//usage:        )
+//usage:        )
+
 #include "libbb.h"
 /* After libbb.h, because on some systems it needs other includes */
 #include <arpa/inet.h>
diff --git a/networking/isrv_identd.c b/networking/isrv_identd.c
index 18ce59aaf..199e11225 100644
--- a/networking/isrv_identd.c
+++ b/networking/isrv_identd.c
@@ -7,6 +7,17 @@
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
 
+//usage:#define fakeidentd_trivial_usage
+//usage:       "[-fiw] [-b ADDR] [STRING]"
+//usage:#define fakeidentd_full_usage "\n\n"
+//usage:       "Provide fake ident (auth) service\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -f      Run in foreground"
+//usage:     "\n        -i      Inetd mode"
+//usage:     "\n        -w      Inetd 'wait' mode"
+//usage:     "\n        -b ADDR Bind to specified address"
+//usage:     "\n        STRING  Ident answer string (default: nobody)"
+
 #include "libbb.h"
 #include <syslog.h>
 #include "isrv.h"
diff --git a/networking/nslookup.c b/networking/nslookup.c
index 67fc01547..f4fd407dd 100644
--- a/networking/nslookup.c
+++ b/networking/nslookup.c
@@ -11,6 +11,20 @@
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 
+//usage:#define nslookup_trivial_usage
+//usage:       "[HOST] [SERVER]"
+//usage:#define nslookup_full_usage "\n\n"
+//usage:       "Query the nameserver for the IP address of the given HOST\n"
+//usage:       "optionally using a specified DNS server"
+//usage:
+//usage:#define nslookup_example_usage
+//usage:       "$ nslookup localhost\n"
+//usage:       "Server:     default\n"
+//usage:       "Address:    default\n"
+//usage:       "\n"
+//usage:       "Name:       debian\n"
+//usage:       "Address:    127.0.0.1\n"
+
 #include <resolv.h>
 #include "libbb.h"
 
diff --git a/networking/ntpd.c b/networking/ntpd.c
index ba2950d8f..e27dbaa6b 100644
--- a/networking/ntpd.c
+++ b/networking/ntpd.c
@@ -27,6 +27,23 @@
  *                                                                     *
  ***********************************************************************
  */
+
+//usage:#define ntpd_trivial_usage
+//usage:        "[-dnqNw"IF_FEATURE_NTPD_SERVER("l")"] [-S PROG] [-p PEER]..."
+//usage:#define ntpd_full_usage "\n\n"
+//usage:       "NTP client/server\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -d      Verbose"
+//usage:     "\n        -n      Do not daemonize"
+//usage:     "\n        -q      Quit after clock is set"
+//usage:     "\n        -N      Run at high priority"
+//usage:     "\n        -w      Do not set time (only query peers), implies -n"
+//usage:        IF_FEATURE_NTPD_SERVER(
+//usage:     "\n        -l      Run as server on port 123"
+//usage:        )
+//usage:     "\n        -S PROG Run PROG after stepping time, stratum change, and every 11 mins"
+//usage:     "\n        -p PEER Obtain time from PEER (may be repeated)"
+
 #include "libbb.h"
 #include <math.h>
 #include <netinet/ip.h> /* For IPTOS_LOWDELAY definition */
diff --git a/networking/pscan.c b/networking/pscan.c
index a9e5d5c29..5595148fc 100644
--- a/networking/pscan.c
+++ b/networking/pscan.c
@@ -6,6 +6,18 @@
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 
+//usage:#define pscan_trivial_usage
+//usage:       "[-cb] [-p MIN_PORT] [-P MAX_PORT] [-t TIMEOUT] [-T MIN_RTT] HOST"
+//usage:#define pscan_full_usage "\n\n"
+//usage:       "Scan a host, print all open ports\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -c      Show closed ports too"
+//usage:     "\n        -b      Show blocked ports too"
+//usage:     "\n        -p      Scan from this port (default 1)"
+//usage:     "\n        -P      Scan up to this port (default 1024)"
+//usage:     "\n        -t      Timeout (default 5000 ms)"
+//usage:     "\n        -T      Minimum rtt (default 5 ms, increase for congested hosts)"
+
 #include "libbb.h"
 
 /* debugging */
diff --git a/networking/route.c b/networking/route.c
index 98a03ded7..6699a1c32 100644
--- a/networking/route.c
+++ b/networking/route.c
@@ -25,6 +25,15 @@
  * remove ridiculous amounts of bloat.
  */
 
+//usage:#define route_trivial_usage
+//usage:       "[{add|del|delete}]"
+//usage:#define route_full_usage "\n\n"
+//usage:       "Edit kernel routing tables\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -n      Don't resolve names"
+//usage:     "\n        -e      Display other/more information"
+//usage:     "\n        -A inet" IF_FEATURE_IPV6("{6}") "       Select address family"
+
 #include <net/route.h>
 #include <net/if.h>
 
diff --git a/networking/slattach.c b/networking/slattach.c
index 71edd2f27..d1221b11a 100644
--- a/networking/slattach.c
+++ b/networking/slattach.c
@@ -13,6 +13,20 @@
  * - The -F options allows disabling of RTS/CTS flow control.
  */
 
+//usage:#define slattach_trivial_usage
+//usage:       "[-cehmLF] [-s SPEED] [-p PROTOCOL] DEVICE"
+//usage:#define slattach_full_usage "\n\n"
+//usage:       "Attach network interface(s) to serial line(s)\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -p PROT Set protocol (slip, cslip, slip6, clisp6 or adaptive)"
+//usage:     "\n        -s SPD  Set line speed"
+//usage:     "\n        -e      Exit after initializing device"
+//usage:     "\n        -h      Exit when the carrier is lost"
+//usage:     "\n        -c PROG Run PROG when the line is hung up"
+//usage:     "\n        -m      Do NOT initialize the line in raw 8 bits mode"
+//usage:     "\n        -L      Enable 3-wire operation"
+//usage:     "\n        -F      Disable RTS/CTS flow control"
+
 #include "libbb.h"
 #include "libiproute/utils.h" /* invarg() */
 
diff --git a/networking/tc.c b/networking/tc.c
index 9b3245546..e9848a86b 100644
--- a/networking/tc.c
+++ b/networking/tc.c
@@ -7,6 +7,27 @@
  * Bernhard Reutner-Fischer adjusted for busybox
  */
 
+//usage:#define tc_trivial_usage
+/* //usage: "[OPTIONS] OBJECT CMD [dev STRING]" */
+//usage:        "OBJECT CMD [dev STRING]"
+//usage:#define tc_full_usage "\n\n"
+//usage:        "OBJECT: {qdisc|class|filter}\n"
+//usage:        "CMD: {add|del|change|replace|show}\n"
+//usage:        "\n"
+//usage:        "qdisc [ handle QHANDLE ] [ root |"IF_FEATURE_TC_INGRESS(" ingress |")" parent CLASSID ]\n"
+/* //usage: "[ estimator INTERVAL TIME_CONSTANT ]\n" */
+//usage:        "       [ [ QDISC_KIND ] [ help | OPTIONS ] ]\n"
+//usage:        "       QDISC_KIND := { [p|b]fifo | tbf | prio | cbq | red | etc. }\n"
+//usage:        "qdisc show [ dev STRING ]"IF_FEATURE_TC_INGRESS(" [ingress]")"\n"
+//usage:        "class [ classid CLASSID ] [ root | parent CLASSID ]\n"
+//usage:        "       [ [ QDISC_KIND ] [ help | OPTIONS ] ]\n"
+//usage:        "class show [ dev STRING ] [ root | parent CLASSID ]\n"
+//usage:        "filter [ pref PRIO ] [ protocol PROTO ]\n"
+/* //usage: "\t[ estimator INTERVAL TIME_CONSTANT ]\n" */
+//usage:        "       [ root | classid CLASSID ] [ handle FILTERID ]\n"
+//usage:        "       [ [ FILTER_TYPE ] [ help | OPTIONS ] ]\n"
+//usage:        "filter show [ dev STRING ] [ root | parent CLASSID ]"
+
 #include "libbb.h"
 
 #include "libiproute/utils.h"
diff --git a/networking/tcpudp.c b/networking/tcpudp.c
index 3ff2acbf8..a2b8c958c 100644
--- a/networking/tcpudp.c
+++ b/networking/tcpudp.c
@@ -29,6 +29,43 @@
  * - don't know how to retrieve ORIGDST for udp.
  */
 
+//usage:#define tcpsvd_trivial_usage
+//usage:       "[-hEv] [-c N] [-C N[:MSG]] [-b N] [-u USER] [-l NAME] IP PORT PROG"
+/* with not-implemented options: */
+/* //usage:    "[-hpEvv] [-c N] [-C N[:MSG]] [-b N] [-u USER] [-l NAME] [-i DIR|-x CDB] [-t SEC] IP PORT PROG" */
+//usage:#define tcpsvd_full_usage "\n\n"
+//usage:       "Create TCP socket, bind to IP:PORT and listen\n"
+//usage:       "for incoming connection. Run PROG for each connection.\n"
+//usage:     "\n        IP              IP to listen on. '0' = all"
+//usage:     "\n        PORT            Port to listen on"
+//usage:     "\n        PROG ARGS       Program to run"
+//usage:     "\n        -l NAME         Local hostname (else looks up local hostname in DNS)"
+//usage:     "\n        -u USER[:GRP]   Change to user/group after bind"
+//usage:     "\n        -c N            Handle up to N connections simultaneously"
+//usage:     "\n        -b N            Allow a backlog of approximately N TCP SYNs"
+//usage:     "\n        -C N[:MSG]      Allow only up to N connections from the same IP."
+//usage:     "\n                        New connections from this IP address are closed"
+//usage:     "\n                        immediately. MSG is written to the peer before close"
+//usage:     "\n        -h              Look up peer's hostname"
+//usage:     "\n        -E              Don't set up environment variables"
+//usage:     "\n        -v              Verbose"
+//usage:
+//usage:#define udpsvd_trivial_usage
+//usage:       "[-hEv] [-c N] [-u USER] [-l NAME] IP PORT PROG"
+//usage:#define udpsvd_full_usage "\n\n"
+//usage:       "Create UDP socket, bind to IP:PORT and wait\n"
+//usage:       "for incoming packets. Run PROG for each packet,\n"
+//usage:       "redirecting all further packets with same peer ip:port to it.\n"
+//usage:     "\n        IP              IP to listen on. '0' = all"
+//usage:     "\n        PORT            Port to listen on"
+//usage:     "\n        PROG ARGS       Program to run"
+//usage:     "\n        -l NAME         Local hostname (else looks up local hostname in DNS)"
+//usage:     "\n        -u USER[:GRP]   Change to user/group after bind"
+//usage:     "\n        -c N            Handle up to N connections simultaneously"
+//usage:     "\n        -h              Look up peer's hostname"
+//usage:     "\n        -E              Don't set up environment variables"
+//usage:     "\n        -v              Verbose"
+
 #include "libbb.h"
 
 /* Wants <limits.h> etc, thus included after libbb.h: */
diff --git a/networking/telnet.c b/networking/telnet.c
index f6fad684c..1f0d85107 100644
--- a/networking/telnet.c
+++ b/networking/telnet.c
@@ -21,6 +21,22 @@
  *
  */
 
+//usage:#if ENABLE_FEATURE_TELNET_AUTOLOGIN
+//usage:#define telnet_trivial_usage
+//usage:       "[-a] [-l USER] HOST [PORT]"
+//usage:#define telnet_full_usage "\n\n"
+//usage:       "Connect to telnet server\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -a      Automatic login with $USER variable"
+//usage:     "\n        -l USER Automatic login as USER"
+//usage:
+//usage:#else
+//usage:#define telnet_trivial_usage
+//usage:       "HOST [PORT]"
+//usage:#define telnet_full_usage "\n\n"
+//usage:       "Connect to telnet server"
+//usage:#endif
+
 #include <arpa/telnet.h>
 #include <netinet/in.h>
 #include "libbb.h"
diff --git a/networking/telnetd.c b/networking/telnetd.c
index eec4417ca..4404064fc 100644
--- a/networking/telnetd.c
+++ b/networking/telnetd.c
@@ -20,6 +20,28 @@
  * Vladimir Oleynik <dzo@simtreas.ru> 2001
  * Set process group corrections, initial busybox port
  */
+
+//usage:#define telnetd_trivial_usage
+//usage:       "[OPTIONS]"
+//usage:#define telnetd_full_usage "\n\n"
+//usage:       "Handle incoming telnet connections"
+//usage:        IF_NOT_FEATURE_TELNETD_STANDALONE(" via inetd") "\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -l LOGIN        Exec LOGIN on connect"
+//usage:     "\n        -f ISSUE_FILE   Display ISSUE_FILE instead of /etc/issue"
+//usage:     "\n        -K              Close connection as soon as login exits"
+//usage:     "\n                        (normally wait until all programs close slave pty)"
+//usage:        IF_FEATURE_TELNETD_STANDALONE(
+//usage:     "\n        -p PORT         Port to listen on"
+//usage:     "\n        -b ADDR[:PORT]  Address to bind to"
+//usage:     "\n        -F              Run in foreground"
+//usage:     "\n        -i              Inetd mode"
+//usage:        IF_FEATURE_TELNETD_INETD_WAIT(
+//usage:     "\n        -w SEC          Inetd 'wait' mode, linger time SEC"
+//usage:     "\n        -S              Log to syslog (implied by -i or without -F and -w)"
+//usage:        )
+//usage:        )
+
 #define DEBUG 0
 
 #include "libbb.h"
diff --git a/networking/tftp.c b/networking/tftp.c
index 35cf0dbd9..f52e49d51 100644
--- a/networking/tftp.c
+++ b/networking/tftp.c
@@ -18,6 +18,39 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+
+//usage:#define tftp_trivial_usage
+//usage:       "[OPTIONS] HOST [PORT]"
+//usage:#define tftp_full_usage "\n\n"
+//usage:       "Transfer a file from/to tftp server\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -l FILE Local FILE"
+//usage:     "\n        -r FILE Remote FILE"
+//usage:        IF_FEATURE_TFTP_GET(
+//usage:     "\n        -g      Get file"
+//usage:        )
+//usage:        IF_FEATURE_TFTP_PUT(
+//usage:     "\n        -p      Put file"
+//usage:        )
+//usage:        IF_FEATURE_TFTP_BLOCKSIZE(
+//usage:     "\n        -b SIZE Transfer blocks of SIZE octets"
+//usage:        )
+//usage:
+//usage:#define tftpd_trivial_usage
+//usage:       "[-cr] [-u USER] [DIR]"
+//usage:#define tftpd_full_usage "\n\n"
+//usage:       "Transfer a file on tftp client's request\n"
+//usage:       "\n"
+//usage:       "tftpd should be used as an inetd service.\n"
+//usage:       "tftpd's line for inetd.conf:\n"
+//usage:       "        69 dgram udp nowait root tftpd tftpd /files/to/serve\n"
+//usage:       "It also can be ran from udpsvd:\n"
+//usage:       "        udpsvd -vE 0.0.0.0 69 tftpd /files/to/serve\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -r      Prohibit upload"
+//usage:     "\n        -c      Allow file creation via upload"
+//usage:     "\n        -u      Access files as USER"
+
 #include "libbb.h"
 
 #if ENABLE_FEATURE_TFTP_GET || ENABLE_FEATURE_TFTP_PUT
diff --git a/networking/traceroute.c b/networking/traceroute.c
index 55dc15b66..96f9d3472 100644
--- a/networking/traceroute.c
+++ b/networking/traceroute.c
@@ -210,6 +210,51 @@
  *     Tue Dec 20 03:50:13 PST 1988
  */
 
+//usage:#define traceroute_trivial_usage
+//usage:       "[-"IF_TRACEROUTE6("46")"FIldnrv] [-f 1ST_TTL] [-m MAXTTL] [-p PORT] [-q PROBES]\n"
+//usage:       "        [-s SRC_IP] [-t TOS] [-w WAIT_SEC] [-g GATEWAY] [-i IFACE]\n"
+//usage:       "        [-z PAUSE_MSEC] HOST [BYTES]"
+//usage:#define traceroute_full_usage "\n\n"
+//usage:       "Trace the route to HOST\n"
+//usage:     "\nOptions:"
+//usage:        IF_TRACEROUTE6(
+//usage:     "\n        -4,-6   Force IP or IPv6 name resolution"
+//usage:        )
+//usage:     "\n        -F      Set the don't fragment bit"
+//usage:     "\n        -I      Use ICMP ECHO instead of UDP datagrams"
+//usage:     "\n        -l      Display the TTL value of the returned packet"
+//usage:     "\n        -d      Set SO_DEBUG options to socket"
+//usage:     "\n        -n      Print numeric addresses"
+//usage:     "\n        -r      Bypass routing tables, send directly to HOST"
+//usage:     "\n        -v      Verbose"
+//usage:     "\n        -m      Max time-to-live (max number of hops)"
+//usage:     "\n        -p      Base UDP port number used in probes"
+//usage:     "\n                (default 33434)"
+//usage:     "\n        -q      Number of probes per TTL (default 3)"
+//usage:     "\n        -s      IP address to use as the source address"
+//usage:     "\n        -t      Type-of-service in probe packets (default 0)"
+//usage:     "\n        -w      Time in seconds to wait for a response (default 3)"
+//usage:     "\n        -g      Loose source route gateway (8 max)"
+//usage:
+//usage:#define traceroute6_trivial_usage
+//usage:       "[-dnrv] [-m MAXTTL] [-p PORT] [-q PROBES]\n"
+//usage:       "        [-s SRC_IP] [-t TOS] [-w WAIT_SEC] [-i IFACE]\n"
+//usage:       "        HOST [BYTES]"
+//usage:#define traceroute6_full_usage "\n\n"
+//usage:       "Trace the route to HOST\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -d      Set SO_DEBUG options to socket"
+//usage:     "\n        -n      Print numeric addresses"
+//usage:     "\n        -r      Bypass routing tables, send directly to HOST"
+//usage:     "\n        -v      Verbose"
+//usage:     "\n        -m      Max time-to-live (max number of hops)"
+//usage:     "\n        -p      Base UDP port number used in probes"
+//usage:     "\n                (default is 33434)"
+//usage:     "\n        -q      Number of probes per TTL (default 3)"
+//usage:     "\n        -s      IP address to use as the source address"
+//usage:     "\n        -t      Type-of-service in probe packets (default 0)"
+//usage:     "\n        -w      Time in seconds to wait for a response (default 3)"
+
 #define TRACEROUTE_SO_DEBUG 0
 
 /* TODO: undefs were uncommented - ??! we have config system for that! */
diff --git a/networking/tunctl.c b/networking/tunctl.c
index e17a9db64..8cb733b68 100644
--- a/networking/tunctl.c
+++ b/networking/tunctl.c
@@ -9,6 +9,25 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
+
+//usage:#define tunctl_trivial_usage
+//usage:       "[-f device] ([-t name] | -d name)" IF_FEATURE_TUNCTL_UG(" [-u owner] [-g group] [-b]")
+//usage:#define tunctl_full_usage "\n\n"
+//usage:       "Create or delete tun interfaces\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -f name         tun device (/dev/net/tun)"
+//usage:     "\n        -t name         Create iface 'name'"
+//usage:     "\n        -d name         Delete iface 'name'"
+//usage:        IF_FEATURE_TUNCTL_UG(
+//usage:     "\n        -u owner        Set iface owner"
+//usage:     "\n        -g group        Set iface group"
+//usage:     "\n        -b              Brief output"
+//usage:        )
+//usage:
+//usage:#define tunctl_example_usage
+//usage:       "# tunctl\n"
+//usage:       "# tunctl -d tun0\n"
+
 #include <netinet/in.h>
 #include <net/if.h>
 #include <linux/if_tun.h>
diff --git a/networking/udhcp/dhcpd.c b/networking/udhcp/dhcpd.c
index 6fb48a19a..747472d0c 100644
--- a/networking/udhcp/dhcpd.c
+++ b/networking/udhcp/dhcpd.c
@@ -20,6 +20,17 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
+
+//usage:#define udhcpd_trivial_usage
+//usage:       "[-fS]" IF_FEATURE_UDHCP_PORT(" [-P N]") " [CONFFILE]"
+//usage:#define udhcpd_full_usage "\n\n"
+//usage:       "DHCP server\n"
+//usage:     "\n        -f      Run in foreground"
+//usage:     "\n        -S      Log to syslog too"
+//usage:        IF_FEATURE_UDHCP_PORT(
+//usage:     "\n        -P N    Use port N (default 67)"
+//usage:        )
+
 #include <syslog.h>
 #include "common.h"
 #include "dhcpc.h"
diff --git a/networking/udhcp/dhcprelay.c b/networking/udhcp/dhcprelay.c
index 86ef04a62..f82ac05b4 100644
--- a/networking/udhcp/dhcprelay.c
+++ b/networking/udhcp/dhcprelay.c
@@ -9,6 +9,12 @@
  *                   Netbeat AG
  * Upstream has GPL v2 or later
  */
+
+//usage:#define dhcprelay_trivial_usage
+//usage:       "CLIENT_IFACE[,CLIENT_IFACE2]... SERVER_IFACE [SERVER_IP]"
+//usage:#define dhcprelay_full_usage "\n\n"
+//usage:       "Relay DHCP requests between clients and server"
+
 #include "common.h"
 
 #define SERVER_PORT    67
diff --git a/networking/udhcp/dumpleases.c b/networking/udhcp/dumpleases.c
index 21d62a2d2..ec07192c1 100644
--- a/networking/udhcp/dumpleases.c
+++ b/networking/udhcp/dumpleases.c
@@ -2,6 +2,23 @@
 /*
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+
+//usage:#define dumpleases_trivial_usage
+//usage:       "[-r|-a] [-f LEASEFILE]"
+//usage:#define dumpleases_full_usage "\n\n"
+//usage:       "Display DHCP leases granted by udhcpd\n"
+//usage:     "\nOptions:"
+//usage:        IF_LONG_OPTS(
+//usage:     "\n        -f,--file=FILE  Lease file"
+//usage:     "\n        -r,--remaining  Show remaining time"
+//usage:     "\n        -a,--absolute   Show expiration time"
+//usage:        )
+//usage:        IF_NOT_LONG_OPTS(
+//usage:     "\n        -f FILE Lease file"
+//usage:     "\n        -r      Show remaining time"
+//usage:     "\n        -a      Show expiration time"
+//usage:        )
+
 #include "common.h"
 #include "dhcpd.h"
 #include "unicode.h"
diff --git a/networking/vconfig.c b/networking/vconfig.c
index 13c65ad78..4fa341ac3 100644
--- a/networking/vconfig.c
+++ b/networking/vconfig.c
@@ -9,6 +9,18 @@
 
 /* BB_AUDIT SUSv3 N/A */
 
+//usage:#define vconfig_trivial_usage
+//usage:       "COMMAND [OPTIONS]"
+//usage:#define vconfig_full_usage "\n\n"
+//usage:       "Create and remove virtual ethernet devices\n"
+//usage:     "\nOptions:"
+//usage:     "\n        add             [interface-name] [vlan_id]"
+//usage:     "\n        rem             [vlan-name]"
+//usage:     "\n        set_flag        [interface-name] [flag-num] [0 | 1]"
+//usage:     "\n        set_egress_map  [vlan-name] [skb_priority] [vlan_qos]"
+//usage:     "\n        set_ingress_map [vlan-name] [skb_priority] [vlan_qos]"
+//usage:     "\n        set_name_type   [name-type]"
+
 #include "libbb.h"
 #include <net/if.h>
 
diff --git a/networking/zcip.c b/networking/zcip.c
index 6fa265ad4..7250fb2fd 100644
--- a/networking/zcip.c
+++ b/networking/zcip.c
@@ -23,6 +23,19 @@
 // - avoid silent script failures, especially under load...
 // - link status monitoring (restart on link-up; stop on link-down)
 
+//usage:#define zcip_trivial_usage
+//usage:       "[OPTIONS] IFACE SCRIPT"
+//usage:#define zcip_full_usage "\n\n"
+//usage:       "Manage a ZeroConf IPv4 link-local address\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -f              Run in foreground"
+//usage:     "\n        -q              Quit after obtaining address"
+//usage:     "\n        -r 169.254.x.x  Request this address first"
+//usage:     "\n        -v              Verbose"
+//usage:     "\n"
+//usage:     "\nWith no -q, runs continuously monitoring for ARP conflicts,"
+//usage:     "\nexits only on I/O errors (link down etc)"
+
 #include <netinet/ether.h>
 #include <net/ethernet.h>
 #include <net/if.h>