Things To Know

• C is developed by Dennis Ritchie.

• C is a Middle Level Language.

• C program is often known as Source Code.

• In C, statements are executed in the sequence they have written.

• The symbol ';' used to terminate a statement.

• All statements are entered in small case letters.

• No blank spaces are allowed within a variable, constant or keyword.

 

PREPROCESSOR:- 

• Before a C program is compiled it is passed through another program called preprocessor.

• Preprocessor works on the source code and creates 'Expanded Source Code'.

• Preprocessor offers several features called preprocessor directives or preprocessor command such as #include is a preprocessor directive.

• Each preprocessor directive begins with a # symbol.

• Preprocessor directives are:-

• Macro expansion

• File inclusion

• Conditional Compilation

• Miscellaneous directives