Provided by: systemtap-doc_2.9-2ubuntu2_all 

NAME
function::ns_egid - Returns the effective gid of a target process as seen in a user namespace
SYNOPSIS
ns_egid:long()
ARGUMENTS
None
DESCRIPTION
This function returns the effective gid of a target process as seen in the target user namespace if
provided, or the stap process namespace
SEE ALSO
tapset::context(3stap)
SystemTap Tapset Reference April 2016 FUNCTION::NS_EGID(3stap)