接口处理函数

10.1 accept()

10.2 bind()

10.3 connect()

10.4 endprotoent()

10.5 endservent()

10.6 getsockopt()

10.7 getsockopt()

10.8 htonl()

10.9 htons()

10.10 inet_addr()

10.11 inet_aton()

10.12 inet_ntoa()

10.13 listen()

10.14 ntohl()

10.15 ntohs()

10.16 recv()

10.17 recvfrom()

10.18 recvmsg()

10.19 send()

10.20 sendmsg()

10.21 sendto()

10.22 setservent()

10.23 setprotoent()

10.24 setsockopt()

10.25 shutdown()

10.26 socket()