how to use variable in % C code example

Example 1: declaring variables in c

// First declaring and then initializing
int a;
int a = 5;
// Declaring and initializing at one time
int b = 6;

// Basically used datatypes 
// 1. int // integer
int num = 2;
// 2. float // decimal number
float number = 234.87;
// 3. char // character
char ch = 'p';
// 4. char[] // string
char name[] = {'B','i', 'l','l'}
			// or
char fav_fruit[] = "apple"

Example 2: Declaring Variables in C

int playerScore = 95;

char ch = 'a';
// some code
ch = 'l';