Man pages matching name function::inet_get_ip_source in section 3stap:

function::inet_get_ip_source.3stap.en	debian 10 / systemtap-doc
function::inet_get_ip_source.3stap.en	debian 11 / systemtap-doc
function::inet_get_ip_source.3stap.en	debian 12 / systemtap-doc