udhcpc 0.9.8cvs20050303-2.1 (amd64 binary) in ubuntu karmic

 DHCP is a protocol like BOOTP (actually dhcpd includes much of
 the functionality of BOOTPD!). It assigns IP addresses to clients
 based on lease times.
 This package is primarily geared towards embedded systems. It does however,
 strive to be fully functional, and RFC compliant.
 .
 This is the client-side application.