File list (Check if you may need any files):
NXP LPC1766 LwIP Example Code
.............................\App
.............................\...\Interrupt.c
.............................\...\Interrupt.h
.............................\...\main.c
.............................\...\Retarget.c
.............................\...\Serial.c
.............................\...\Serial.h
.............................\CMSIS
.............................\.....\core_cm3.c
.............................\.....\core_cm3.h
.............................\.....\LPC17xx.h
.............................\.....\startup_LPC17xx.s
.............................\.....\system_LPC17xx.c
.............................\.....\system_LPC17xx.h
.............................\CoOS
.............................\....\Document
.............................\....\........\CooCox CoOS's TERMS AND CONDITIONS.pdf
.............................\....\........\readme.txt
.............................\....\kernel
.............................\....\......\coocox.h
.............................\....\......\CoOS.h
.............................\....\......\core.c
.............................\....\......\event.c
.............................\....\......\flag.c
.............................\....\......\hook.c
.............................\....\......\kernelHeap.c
.............................\....\......\mbox.c
.............................\....\......\mm.c
.............................\....\......\mutex.c
.............................\....\......\OsConfig.h
.............................\....\......\OsCore.h
.............................\....\......\OsError.h
.............................\....\......\OsEvent.h
.............................\....\......\OsFlag.h
.............................\....\......\OsKernelHeap.h
.............................\....\......\OsMM.h
.............................\....\......\OsMutex.h
.............................\....\......\OsQueue.h
.............................\....\......\OsServiceReq.h
.............................\....\......\OsTask.h
.............................\....\......\OsTime.h
.............................\....\......\OsTimer.h
.............................\....\......\queue.c
.............................\....\......\sem.c
.............................\....\......\serviceReq.c
.............................\....\......\task.c
.............................\....\......\time.c
.............................\....\......\timer.c
.............................\....\......\utility.c
.............................\....\......\utility.h
.............................\....\portable
.............................\....\........\arch.c
.............................\....\........\GCC
.............................\....\........\...\port.c
.............................\....\........\IAR
.............................\....\........\...\port.asm
.............................\....\........\Keil
.............................\....\........\....\port.asm
.............................\....\........\OsArch.h
.............................\Ethernet
.............................\........\lwip-1.3.1
.............................\........\..........\Apps
.............................\........\..........\....\fs.c
.............................\........\..........\....\fs.h
.............................\........\..........\....\fsdata.c
.............................\........\..........\....\fsdata.h
.............................\........\..........\....\httpd.c
.............................\........\..........\....\httpd.h
.............................\........\..........\....\ustdlib.c
.............................\........\..........\....\ustdlib.h
.............................\........\..........\CHANGELOG
.............................\........\..........\COPYING
.............................\........\..........\doc
.............................\........\..........\...\contrib.txt
.............................\........\..........\...\FILES
.............................\........\..........\...\rawapi.txt
.............................\........\..........\...\savannah.txt
.............................\........\..........