- auto 
- break   
- case    
- char    
- const    
- Continue
- default   
- do      
- double  
- else
- enum
- Extern
- float
- for
- goto
- if
- int
- Long
- register
- return
- short
- signed
- sizeof
- Static
- struct
- switch
- typedef
- union
- unsigned
- Void
- volatile
- while
