Cross Reference: /src/lib/npf

`Name`	`Date`	`Size`
Up to higher level directory
`ext_log/`	19-Feb-2026
`ext_normalize/`	19-Feb-2026
`ext_rndblock/`	19-Feb-2026
`ext_route/`	08-Apr-2026
`Makefile`	08-Apr-2026	`190`
`mod.mk`	05-Apr-2024	`537`