File list (Check if you may need any files):
CoLwip-MDK5.18
..............\App
..............\...\main.c
..............\...\Retarget.c
..............\...\Serial.c
..............\...\Serial.h
..............\...\User.c
..............\...\User.h
..............\Clean.bat
..............\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
..............\....\........\...\portForM0.asm
..............\....\........\...\portForM3.asm
..............\....\........\Keil
..............\....\........\....\port.c
..............\....\........\OsArch.h
..............\Ethernet
..............\........\LWIP
..............\........\....\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
..............\........\....\...\snmp_agent.txt
..............\........\....\...\sys_arch.txt
..............\........\....\FILES
..............\........\....\README
..............\........\....\src
..............\........\....\...\api
..............\........\....\...\...\api_lib.c
..............\........\....\...\...\api_msg.c
..............\........\....\...\...\err.c
..............\........\....\...\...\netbuf.c
..............\........\....\...\...\netdb.c
..............\........\....\...\...\netifapi.c
..............\........\....\...\...\sockets.c
..............\........\....\...\...\tcpip.c
..............\........\....\...\core
..............\........\....\...\....\#tcp_out.c#
..............\........\....\...\....\dhcp.c
..............\........\....\...\....\dns.c
..............\........\....\...\....\init.c
..............\........\....\...\....\ipv4