WHAT IS THE DIFFERENCE BETWEEN VARIABLE DECLARATION AND VARIABLE DEFINITION IN C?

Variable declaration tells the compiler about data type and size of the variable. Whereas, variable definition allocates memory to the variable

Variable can be declared many times in a program. But, definition can happen only one time for a variable in a program.

Variable declaration is for assignment of properties and identification to a variable. Whereas, variable definition is for assignments of storage space to a variable