Data Types on C

Data Types in C

Data Types in C

A Data Types in C specifies the type of data that a variable can store such as integer, floating, character, etc.

C Data Types

There are the following data types in C language.

Types Data Types
Basic Data Type int, char, float, double
Derived Data Type array, pointer, structure, union
Enumeration Data Type enum
Void Data Type void
Basic Data Types

The basic data types are integer-based and floating-point based. C language supports both signed and unsigned literals.

The memory size of the basic data types may change according to 32 or 64-bit operating system.

Let’s see the basic data types. Its size is given according to 32-bit architecture.

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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