1. All the 'C' statements should be written in lowercase only.
2. A 'C' program should contain at least one main( ).
3. The executable statements are enclosed in open brace { and close brace }.
4. Every statement should end with a semi colon(;)
5. You can write any number of statements in a single line separated with a semi colon.
6. You can also write a single statement in multiple lines also breaking it with a '\'.
7. The comments are written in between /* and */. You can write the comments anywhere in the program. These statements are ignored by the system. You can also use comments to describe a particular statement also.