Before using a variable in our program we must notify the compiler about that variable via declaration. like the example below
int upper; int step; char a; char b;
Variables with the same type can be grouped together:
int lower, upper, step; char a, b;
Initializing Variables
C allows variables to be initialized in the declaration statement. The following statement declares the integer variable count and initializes it to 0.
int count=0;
Example 1:
#include<stdio.h> void main(void) { int a=10; //the above line declares variable a and assigns value 10 to it printf("value of a is %d",a); }
Output is:
value of a is 10
Variable Initialization and Declaration
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