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Built in Data Types in C

Posted on December 11, 2021December 11, 2021 By christo No Comments on Built in Data Types in C

The data type in C defines the amount of storage allocated to variables ,the values that they can accept ,and the operation that can be performed on those variables

C is rich in data types. The verity of data type allow the programmer to select appropriate data type to satisfy the need of application as well as the needs of different machine.

There are three classes of Data-Type

  • Primary Data Type
  • Derived Data Type
  • User Defined Data Type

Table of Contents

  • Primary Data Types(Fundamental Data Types)
  • Void Type
  • Size and Range of Data-Types on a 16-bit machine

Primary Data Types(Fundamental Data Types)

All C compiler support five type of fundamental data type

  • Integer int 2,768 to 32,768
  • Character char -128 to 127
  • Floating Point float 3.4e-38 to 3.4e+38
  • Double Precision Floating Point double 1.7e-308 to 1.7e+308
  • Void Data Type void(used for function when no value is to be return)

Integer Type

Signed
Unsigned
int
unsigned int
short int
unsigned short int
long int
unsigned long int
Character Type
Signed
Unsigned
signed char

unsigned char

Float Type

float
double
long double

Void Type

void
It doesn’t return any value

Size and Range of Data-Types on a 16-bit machine

Types
Size
Range
char (or signed char)
8
-128 to 127
unsigned char
8
0 to 255
int (or signed int)
16
-32768 to 32767
unsigned int
16
0 to 65536
short int (or signed short int)
8
-128 to 127
unsigned short int
8
0 to 255
long int (or signed long int)
32
-2,147,483,648 to2,147,483,647

unsigned long int
32
0 to 4,294,967,295
float
32
3.4E – 38 to 3.4E + 38
double
64
1.7E – 308 to 1.7E + 308
long
80
3.4E _ 4932 to 1.1E + 4932

data structure Tags:Built in Data Types in C

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