.\" $OpenBSD: register.in,v 1.2 2017/07/04 14:53:26 schwarze Exp $
.TH REGISTER 1 "May 31, 2015"
.SH NAME
register \- conditional testing whether a register is defined
.SH DESCRIPTION
.ie rmyreg OOPS
.el not yet defined
.br
.nr myreg 0
.ie rmyreg now defined
.el OOPS
.if !rmyreg OOPS