taglinefilesource code
sport143include/linux/ip_fw.h__u16    sport,dport;  /* Source and destoination ports */
sport466net/ipv4/ip_fw.cntohl(ms->src),ntohs(ms->sport));
sport607net/ipv4/ip_fw.cms->sport    = htons(port);  /* derived from PORT cmd */
sport715net/ipv4/ip_fw.cportptr[0] == ms->sport && portptr[1] == ms->dport) 
sport738net/ipv4/ip_fw.cms->sport    = portptr[0];
sport840net/ipv4/ip_fw.cportptr[1] = ms->sport;
sport1524net/ipv4/ip_fw.cntohl(ms->src),ntohs(ms->sport),