Fix ctc check logic (#648858)
    
    if ((type != 1) && !((type == 256) && !strncmp(name, "ctc", 3)))
               #1                #2              #3
    
    type, name   1  !(2&&3)  2  3    Result
    1     bob    F   T       F  F      F    skip continue
    2     sam    T   T       F  F      T    continue
    256   sam    T   T       T  F      T    continue
    256   ctc    T   F       T  T      F    skip continue