variable in c

1// First declaring and then initializing
2int a;
3int a = 5;
4// Declaring and initializing at one time
5int b = 6;
6
7// Basically used datatypes 
8// 1. int // integer
9int num = 2;
10// 2. float // decimal number
11float number = 234.87;
12// 3. char // character
13char ch = 'p';
14// 4. char[] // string
15char name[] = {'B','i', 'l','l'}
16			// or
17char fav_fruit[] = "apple"

1int    i, j, k;
2char   c, ch;
3float  f, salary;
4double d;
5

1int playerScore = 95;
2
3char ch = 'a';
4// some code
5ch = 'l';

1type variable_list;
2

1int age;			//int variableName; or int variableName = Value;
2			//Integers are whole numbers: 2, 23. They are NOT: 28.4, 8.07.
3char first_initial;	//char variableName; or char variableName = 'Character';
4			//Characters are single characters on the keyboard. Numbers can 
5            //be characters but they are best not stored as such
6char name[10]; 		//char stringName[size] or char stringName[size] = "String"
7			//Strings are defined as an array of characters that end
8            //w/a special character ‘\0’.
9float salary;		//float variableName; or float variableName = value;
10			//Floats are numbers that contain up to seven digits including decimals.
11double micro;		//double variableName; or double variableName = value;
12			//Doubles are more precise than floats and can hold more numbers.
13