.\"determine whether or not a given variable points to a virtual object .TH virtualp 3 .SH NAME virtualp() - determine whether a given variable points to a virtual object .SH SYNOPSIS int virtualp(object arg); .SH DESCRIPTION Returns true (1) iff the argument is objectp() and the O_VIRTUAL flag is set. The driver sets the O_VIRTUAL flag for those objects created via the 'compile_object' method in master.c. .SH SEE ALSO userp(3), wizardp(3), objectp(3), new(3), clone_object(3), call_other(3), file_name(3).