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

NAME
function::sock_prot_str2num - Given a protocol name (string), return the corresponding protocol number
SYNOPSIS
sock_prot_str2num:long(proto:string)
ARGUMENTS
proto
The protocol name
SystemTap Tapset Reference March 2016 FUNCTION::SOCK_PROT_(3stap)