File list (Check if you may need any files):
51TCPIP\ahdlc.c
.......\ahdlc.h
.......\alloc.c
.......\arcdump.c
.......\arcnet.c
.......\arcnet.h
.......\arp.c
.......\arp.h
.......\arpcmd.c
.......\arpdump.c
.......\arphdr.c
.......\asmgloba.h
.......\asy.c
.......\asy.h
.......\asyvec.s
.......\aud.c
.......\audit.c
.......\ax25.c
.......\ax25.h
.......\ax25cmd.c
.......\ax25dump.c
.......\ax25hdr.c
.......\ax25mail.c
.......\ax25mail.h
.......\ax25subr.c
.......\ax25user.c
.......\axheard.c
.......\axsock.c
.......\bm.h
.......\bmutil.c
.......\bootp.c
.......\bootp.h
.......\bootpcmd.c
.......\bootpd.c
.......\bootpd.h
.......\bootpdip.c
.......\cmdparse.c
.......\cmdparse.h
.......\commands.h
.......\config.c
.......\config.h
.......\conv.h
.......\crc.c
.......\crc.h
.......\daemon.h
.......\devparam.c
.......\devparam.h
.......\dialer.c
.......\dialer.h
.......\dirutil.c
.......\dirutil.h
.......\display.c
.......\display.h
.......\dma.c
.......\dma.h
.......\domain.c
.......\domain.h
.......\domhdr.c
.......\dos.c
.......\drsi.c
.......\drsi.h
.......\drsivec.s
.......\eagle.c
.......\eagle.h
.......\eaglevec.s
.......\enet.c
.......\enet.h
.......\enetdump.c
.......\files.c
.......\files.h
.......\finger.c
.......\fingerd.c
.......\forward.c
.......\ftp.h
.......\ftpcli.c
.......\ftpcli.h
.......\ftpserv.c
.......\ftpserv.h
.......\ftpsubr.c
.......\genparm.c
.......\getopt.c
.......\global.h
.......\hapn.c
.......\hapn.h
.......\hapnvec.s
.......\hardware.h
.......\hop.c
.......\hs.c
.......\hs.h
.......\hsvec.s
.......\icmp.c
.......\icmp.h
.......\icmpcmd.c
.......\icmpdump.c
.......\icmphdr.c
.......\icmpmsg.c
.......\iface.c
.......\iface.h
.......\internet.h
.......\ip.c