centos man page for function::ulong_arg

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

NAME
       function::ulong_arg - Return function argument as unsigned long

SYNOPSIS
	   ulong_arg:long(n:long)

ARGUMENTS
       n
	   index of argument to return

DESCRIPTION
       Return the value of argument n as an unsigned long. On architectures where a long is 32 bits, the value is zero-extended to 64 bits.

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