Data types in C


The C programming language offers various data types to suit different purposes. They can be broadly categorized as follows

2 Types of Basic data types

  1. Derived data types
  2. User defined data types

Basic data types

The C programming language provides the user with four basic data types.

4 Basic data types
Data type Description
int An integer.
float A floating point(real) number.
char A single of byte of memory, enough to hold a charecter.
double A double precision floating point number.

Data type qualifiers

The C programming language provides the user with three basic datatype qualifiers.

Data type qualifiers
type qualifier Description
Short An integer possiably of reduced range.
Long An integer possiably of incrased range.
Unsigned An integer with no negetive range, the spare capacity being used to increase the positive range


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