• C is a case sensitive language.
  • C Program consist of one or more functions.
  • One function that must be present in every C program is main(). This is the 1st function called up when program execution begins.

C program basically consists of the following parts:

  • Preprocessor Commands
  • Functions
  • Variables
  • Statements & Expressions
  • Comments

//Preprocessor directives //Global data declarations main() // main function { //Declaration part; //Program statements; } //User defined functions func1() { .... } func2() { .... } . . . funcn() { .... }