Data Type in C
Data types are used to define a variable use in a program.
Data Types:
There are four data types in C language that is
| Types | Data Types |
|---|
| Basic Data Type (Primary data types) | int, char, float, double |
| Derived Data Type (Derived data types) | array, pointer, structure, union |
| Enumeration Data Type | enum |
| Void Data Type | void |
Range of data types.
| Data Types | Memory Size | Range |
|---|
| char | 1 byte | −128 to 127 |
| signed char | 1 byte | −128 to 127 |
| unsigned char | 1 byte | 0 to 255 |
| short | 2 byte | −32,768 to 32,767 |
| signed short | 2 byte | −32,768 to 32,767 |
| unsigned short | 2 byte | 0 to 65,535 |
| int | 2 byte | −32,768 to 32,767 |
| signed int | 2 byte | −32,768 to 32,767 |
| unsigned int | 2 byte | 0 to 65,535 |
| short int | 2 byte | −32,768 to 32,767 |
| signed short int | 2 byte | −32,768 to 32,767 |
| unsigned short int | 2 byte | 0 to 65,535 |
| long int | 4 byte | -2,147,483,648 to 2,147,483,647 |
| signed long int | 4 byte | -2,147,483,648 to 2,147,483,647 |
| unsigned long int | 4 byte | 0 to 4,294,967,295 |
| float | 4 byte | |
| double | 8 byte | |
| long double | 10 byte | |
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