centos man page for function::pointer_arg

FUNCTION::POINTER_AR(3stap)					 Context Functions				       FUNCTION::POINTER_AR(3stap)

NAME
       function::pointer_arg - Return function argument as pointer value

SYNOPSIS
	   pointer_arg:long(n:long)

ARGUMENTS
       n
	   index of argument to return

DESCRIPTION
       Return the unsigned value of argument n, same as ulong_arg. Can be used with any type of pointer.

SystemTap Tapset Reference					     June 2014					       FUNCTION::POINTER_AR(3stap)