A preprocessor Is a software program that processes a source file before sending it to be complied .inclusion of header files,macro expansion ,conditional compilation,and line control are all possible with the preprocessor.
Sandhya Answered question June 30, 2023
Preprocessing directives are lines in your program that start with # . The # is followed by an identifier that is the directive name. For example, #define is the directive that defines a macro. Whitespace is also allowed before and after the # .
Sandhya Answered question June 30, 2023