Provided by: systemtap-doc_2.3-1ubuntu1.4_all 

NAME
function::ipmib_tcp_local_port - Get the local tcp port
SYNOPSIS
ipmib_tcp_local_port:long(skb:long,SourceIsLocal:long)
ARGUMENTS
skb
pointer to a struct sk_buff
SourceIsLocal
flag to indicate whether local operation
DESCRIPTION
Returns the local tcp port from skb.
SystemTap Tapset Reference March 2016 FUNCTION::IPMIB_TCP_(3stap)