1.\" $OpenBSD: warn.in,v 1.3 2019/09/13 19:18:48 schwarze Exp $ 2.Dd $Mdocdate: September 13 2019 $ 3.Dt FO-WARN 1 4.Os 5.Sh NAME 6.Nm Fo-warn 7.Nd warnings related to function blocks 8.Sh SYNOPSIS 9.Ft double 10.Fo sin() 11.Fa "double x" 12.Fc 13.Ft double 14.Fn atan2 "double y, double x" 15.Ft int 16.Fn close) "int fd" 17.Ft typedef void 18.Fn (handler) int 19.Ft typedef void 20.Fn (*fp) int 21.Ft int 22.Fn (open "const char *path" 23.Ft FILE * 24.Fn (*popen "const char *cmd" 25.Ft void 26.Fn (trail)x void 27.Ft void 28.Fn *star void 29