File list (Check if you may need any files):
Network_Stack_v2.1.1
....................\Network_Stack
....................\.............\Documentation
....................\.............\.............\SPS_Programmers_Guide.pdf
....................\.............\history.txt
....................\.............\Projects
....................\.............\........\EXAMPLE
....................\.............\........\.......\custom_options.h
....................\.............\........\.......\main.c
....................\.............\........\.......\Makefile
....................\.............\........\.......\READ_ME.txt
....................\.............\........\.......\smsc911x_platform.c
....................\.............\........\.......\smsc911x_platform.h
....................\.............\........\.......\smsc_environment.c
....................\.............\........\.......\smsc_environment.h
....................\.............\........\.......\smsc_threading.c
....................\.............\........\.......\smsc_threading.h
....................\.............\Source
....................\.............\......\api
....................\.............\......\...\sockets.c
....................\.............\......\...\sockets.h
....................\.............\......\...\utilities.h
....................\.............\......\applications
....................\.............\......\............\icmp_echo_tester.c
....................\.............\......\............\icmp_echo_tester.h
....................\.............\......\............\socket_tester
....................\.............\......\............\.............\getopt.c
....................\.............\......\............\.............\getopt.h
....................\.............\......\............\.............\Makefile
....................\.............\......\............\.............\Makefile.win32
....................\.............\......\............\.............\READ_ME.txt
....................\.............\......\............\.............\socktest.c
....................\.............\......\............\.............\socktest.h
....................\.............\......\............\tcp_tester.c
....................\.............\......\............\tcp_tester.h
....................\.............\......\............\udp_tester.c
....................\.............\......\............\udp_tester.h
....................\.............\......\core
....................\.............\......\....\sps.c
....................\.............\......\....\sps.h