.\" -*- nroff -*- .TH TAPSET::CONTEXT-ENVVAR 3stap "May 2021" "SystemTap Tapset Reference" .SH NAME tapset::context-envvar \- systemtap context-envvar tapset .SH DESCRIPTION Context functions provide additional information about where an event occurred. These functions can provide information such as a backtrace to where the event occurred and the current register values for the processor. .TP .P .TP .B env_var Fetch environment variable from current process .IP See .IR function::env_var (3stap) for details. .SH SEE ALSO .BR .IR \%function::env_var (3stap), .BR .IR \%stap (1), .IR \%stapprobes (3stap)