.\" $OpenBSD: warn.in,v 1.3 2019/09/13 19:18:48 schwarze Exp $
.Dd $Mdocdate: September 13 2019 $
.Dt FO-WARN 1
.Os
.Sh NAME
.Nm Fo-warn
.Nd warnings related to function blocks
.Sh SYNOPSIS
.Ft double
.Fo sin()
.Fa "double x"
.Fc
.Ft double
.Fn atan2 "double y, double x"
.Ft int
.Fn close) "int fd"
.Ft typedef void
.Fn (handler) int
.Ft typedef void
.Fn (*fp) int
.Ft int
.Fn (open "const char *path"
.Ft FILE *
.Fn (*popen "const char *cmd"
.Ft void
.Fn (trail)x void
.Ft void
.Fn *star void