ip_set_global_var(self, varname, value)
    VALUE self;
    VALUE varname;
    VALUE value;
{
    return ip_set_variable(self, varname, value,
                           INT2FIX(TCL_GLOBAL_ONLY | TCL_LEAVE_ERR_MSG));
}
ip_set_global_var(self, varname, value)
    VALUE self;
    VALUE varname;
    VALUE value;
{
    return ip_set_variable(self, varname, value,
                           INT2FIX(TCL_GLOBAL_ONLY | TCL_LEAVE_ERR_MSG));
}