Modifying led toggle exercise with macros   In C, macros are used to define reusable pieces of code or constants that are substituted directly into the code during preprocessing.…

  'defined' operator   This 'defined' operator is used more frequently with the #if pre-processor directive.   #if and 'defined' operator #if Directive: The #if directive is used to create conditional…

  Conditional compilation directives   Conditional compilation in ‘C’ There are various conditional compilation directives available in the 'C' programming language.  These are some of the conditional compilation directives, as…

  Pre-Processor directives in 'C'   Pre-Processor directives In C programming pre-processor directives are used to affect compile time settings of the program.  Pre-processor directives are also used to create…

  C Program Exercise: Student Record Management System   Exercise Write a program to maintain records of students. The program must maintain records of 10 students and you should give…

  Scanf and scanset   In this article, we will focus on how to input a string with space characters.  To demonstrate this, we will ask the user to enter…