test/test_brk
test/test_signal
test/ping 172.25.0.1	ʥȥͥåȡ
test/ping google.com	ʥ󥿡ͥåȡ
test/udpcli
test/udpserv
test/udpservselect
test/tcpcli
test/tcpcliselect
test/tcpserv
test/tcpservselect
test/tcpservpoll

gcc test.c
ftp
dd if=/dev/fd
