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

NAME
function::tcpmib_local_port - Get the local port
SYNOPSIS
tcpmib_local_port:long(sk:long)
ARGUMENTS
sk
pointer to a struct inet_sock
DESCRIPTION
Returns the sport from a struct inet_sock in host order.
SystemTap Tapset Reference March 2016 FUNCTION::TCPMIB_LOC(3stap)