File list (Check if you may need any files):
GGSN_Gtpr99\11.c
...........\11.dsp
...........\11.dsw
...........\11.h
...........\11.ncb
...........\11.opt
...........\11.plg
...........\11.sln
...........\11.suo
...........\11.vcproj
...........\Debug\11.exe
...........\.....\11.obj
...........\.....\11.pdb
...........\.....\11.sbr
...........\.....\BuildLog.htm
...........\.....\GGSN.bat
...........\.....\GGSN.exe
...........\.....\GGSN.pdb
...........\.....\ggsn.txt
...........\.....\GGSN30.exe
...........\.....\vc60.pdb
...........\.....\vc70.pdb
...........\GGSN_Gtpr99\11.c
...........\...........\11.dsp
...........\...........\11.dsw
...........\...........\11.h
...........\...........\11.ncb
...........\...........\11.opt
...........\...........\11.plg
...........\...........\11.sln
...........\...........\11.suo
...........\...........\11.vcproj
...........\...........\Debug\11.exe
...........\...........\.....\11.obj
...........\...........\.....\11.pdb
...........\...........\.....\11.sbr
...........\...........\.....\BuildLog.htm
...........\...........\.....\GGSN.bat
...........\...........\.....\GGSN.exe
...........\...........\.....\GGSN.pdb
...........\...........\.....\ggsn.txt
...........\...........\.....\GGSN30.exe
...........\...........\.....\vc60.pdb
...........\...........\.....\vc70.pdb
...........\...........\gre.c
...........\...........\gre.h
...........\...........\GTP.h
...........\...........\hdlc.c
...........\...........\inc\bittypes.h
...........\...........\...\bucket_lookup.h
...........\...........\...\count_packets.h
...........\...........\...\Devioctl.h
...........\...........\...\Gnuc.h
...........\...........\...\ip6_misc.h
...........\...........\...\memory_t.h
...........\...........\...\net\bpf.h
...........\...........\...\normal_lookup.h
...........\...........\...\Ntddndis.h
...........\...........\...\Ntddpack.h
...........\...........\...\Packet32.h
...........\...........\...\pcap-int.h
...........\...........\...\pcap-stdinc.h
...........\...........\...\pcap.h
...........\...........\...\pthread.h
...........\...........\...\remote-ext.h
...........\...........\...\sched.h
...........\...........\...\semaphore.h
...........\...........\...\tcp_session.h
...........\...........\...\time_calls.h
...........\...........\...\tme.h
...........\...........\...\Win32-Extensions.h
...........\...........\lib\Packet.lib
...........\...........\...\wpcap.lib
...........\...........\Tidadd.h
...........\gre.c
...........\gre.h
...........\GTP.h
...........\hdlc.c
...........\inc\bittypes.h
...........\...\bucket_lookup.h
...........\...\count_packets.h
...........\...\Devioctl.h
...........\...\Gnuc.h
...........\...\ip6_misc.h
...........\...\memory_t.h
...........\...\net\bpf.h
...........\...\normal_lookup.h
...........\...\Ntddndis.h
...........\...\Ntddpack.h
...........\...\Packet32.h
...........\...\pcap-int.h
...........\...\pcap-stdinc.h
...........\...\pcap.h
...........\...\pthread.h
...........\...\remote-ext.h
...........\...\sched.h
...........\...\semaphore.h
...........\...\tcp_session.h
...........\...\time_calls.h
...........\...\tme.h