#undef Preprocessor Directive: C Program

https://technotip.com/8608/undef-directive-c-program/

In today's video tutorial lets see how to use #undef preprocessor directive.

What Does #undef Do? #undef removes or undefines a macro name which is previously created or defined using #define directive.

Syntax #undef MACRO_NAME

Note: If a Macro template is associated with a Macro expansion, you need not mention the macro expansion to undefine the macro. You simple undefine using this syntax: #undef MACRO_NAME

C Programming Interview / Viva Q&A List https://technotip.com/6378/c-programming-interview-viva-qa-list/

C Programming: Beginner To Advance To Expert https://technotip.com/6086/c-programming-beginner-to-advance-to-expert/ ... https://www.youtube.com/watch?v=1FwlFR9PQDE