asm              Assembly Language Statement
 break            break Statement
 case             case Keyword
 continue         continue Statement
 default          default Case in a switch Statement
 do               do-while Statement
 else             else Clause of an if
 for              for Statement
 goto             goto Statement
 if               if Statement
 label            label (Target of a goto)
 return           return Statement
 switch           switch Statement
 while            while Statement