taglinefilesource code
sin_port57include/linux/in.hunsigned short int  sin_port;  /* Port number      */
sin_port1043net/core/dev.c&ifr.ifr_addr).sin_port = 0;
sin_port1066net/core/dev.c&ifr.ifr_broadaddr).sin_port = 0;
sin_port1084net/core/dev.c&ifr.ifr_dstaddr).sin_port = 0;
sin_port1101net/core/dev.c&ifr.ifr_netmask).sin_port = 0;
sin_port863net/ipv4/af_inet.csnum = ntohs(addr->sin_port);
sin_port1135net/ipv4/af_inet.csin->sin_port = sk->dummy_th.dest;
sin_port1140net/ipv4/af_inet.csin->sin_port = sk->dummy_th.source;
sin_port190net/ipv4/raw.csin.sin_port = sk->protocol;
sin_port193net/ipv4/raw.cif (sin.sin_port == 0) 
sin_port194net/ipv4/raw.csin.sin_port = sk->protocol;
sin_port203net/ipv4/raw.cerr=ip_build_xmit(sk, raw_getrawfrag, from, len, sin.sin_addr.s_addr, flags, sin.sin_port);
sin_port205net/ipv4/raw.cerr=ip_build_xmit(sk, raw_getfrag, from, len, sin.sin_addr.s_addr, flags, sin.sin_port);
sin_port1739net/ipv4/tcp.cif (addr->sin_port != sk->dummy_th.dest) 
sin_port2441net/ipv4/tcp.caddr->sin_port = sk->dummy_th.dest;
sin_port4259net/ipv4/tcp.csk->dummy_th.dest = usin->sin_port;
sin_port264net/ipv4/udp.cufh.uh.dest = sin->sin_port;
sin_port303net/ipv4/udp.cif (sin.sin_port == 0) 
sin_port311net/ipv4/udp.csin.sin_port = sk->dummy_th.dest;
sin_port445net/ipv4/udp.csin->sin_port = skb->h.uh->source;
sin_port485net/ipv4/udp.csk->dummy_th.dest = usin->sin_port;