Difference between macro and preprocessor

Question

From what I understand , #define blah 8 is a macro . While , # is the pre-processor directive .

Can we say #include,#if,#ifdef,etc. are al

Answer 1

#include, #if, etc. are features of the preprocessor.

#define blah 8

Is a preprocessor directive and declares a new macro named blah.

• Macros are the result of a #define statement.
• The preprocessor is a feature of C.