Structure of a C program

• Structure of a C program
  C is a case sensitive programming language which means in C two variables named x and X will have different
• User Defined Data Types in C
  C language allows a programmer to create user defined data types. It provides 2 keywords to do so; typedef and
• Initialization of a Variable in C
  After a variable is declared it may be required to initialize it. Initialization of a variable means assigning some value
• Declaration of a Variable in C
  All the variables that are to be used in a program must be declared first. The declaration of variable means
• Character Data Type in C
  The Character data type is used to specify a variable that will contain characters from ASCII table like ‘A’, ‘%’,
• Floating Point Data Type in C
  The Floating Point data type is used to specify a variable that will contain real numbers, i.e. any positive or
• Integer Data Type in C
  The Integer data type is used to specify a variable that will contain only integer values, i.e. any positive or