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.\" $OpenBSD: warn.in,v 1.3 2019/09/13 19:18:48 schwarze Exp $
.Dd $Mdocdate$
.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