1.Dd October 11, 2014 2.Dt FO-WARN 1 3.Os OpenBSD 4.Sh NAME 5.Nm Fo-warn 6.Nd warnings related to function blocks 7.Sh SYNOPSIS 8.Ft double 9.Fo sin() 10.Fa "double x" 11.Fc 12.Ft double 13.Fn atan2 "double y, double x" 14