NR-RR(1)                    General Commands Manual                   NR-RR(1)

NNAAMMEE
       nr-rr - defining and undefining number registers

DDEESSCCRRIIPPTTIIOONN
       non-null values: 2 4
       unset values: 0 0 0

OpenBSD                          April 5, 2014                        NR-RR(1)