1.\" $OpenBSD: noarg.in,v 1.3 2017/07/04 14:53:25 schwarze Exp $ 2.Dd $Mdocdate: July 4 2017 $ 3.Dt IN-NOARG 2 4.Os 5.Sh NAME 6.Nm In-noarg 7.Nd include file macros without argument 8.Sh SYNOPSIS 9.In math.h 10.Ft double 11.Fn sin "double x" 12.In 13.Ft double 14.Fn cos "double x" 15.Sh DESCRIPTION 16.In math.h: 17.Ft double 18.Fn sin "double x" 19.In 20.Ft double 21.Fn cos "double x" 22