Return the probe point's function name.
.TP
target:long ()
-Returns the pid of the target process.
+Return the pid of the target process.
.TP
is_return:long ()
-Returns 1 if the probe point is a return probe.
+Return 1 if the probe point is a return probe.
.TP
returnval:long ()
-Gets the return value of a probed function. Must be a return probe.
+Return the pending return value of the function being return-probed.
.SS ERRNO
.TP