variable declaration rules in c code example

Example 1: declare variable in c

int    i, j, k;
char   c, ch;
float  f, salary;
double d;

Example 2: declaration in c

#include<stdio.h>
#include<conio.h>
void main()
{
//variable declaration
	int a;
  //assinging value to a variable;
    a=10;
}

Example 3: Declaring Variables in C

int playerScore = 95;

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