construct_label
label = construct_label(var.component, var.os, var.name, var.namelen);
label = construct_label(var->component, var->os, var->name, var->namelen);
label = construct_label(var.component, var.os, var.name, var.namelen);
label = construct_label(component, varos, vname.name, vname.namelen);
label = construct_label(var->component, var->os, var->name,
label = construct_label(var.component, var.os, var.name, var.namelen);