Different Datatypes in C Programming - Part3

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======================================================
short,int,long,float,double,char

Data Types in C Programming
========================
32bit compiler 64bit compiler FORMAT_SPECIFIER
short int 1 2 %hd
int 2 4 %d
long int 4 8 %ld

unsigned short int 1 2 %hu
unsigned int 2 4 %u
unsigned long int 4 8 %lu

long long int %lld
unsigned long long int %llu

float 4 4 %f
double 8 8 %lf
long double 16 %Lf

char 1 1 %c
unsigned char %c


string char[] %s

10 +10

signed
unsigned
Range of values byte
short 1 byte = 8bit
short int 2 byte = 16bit
signed short 4 byte = 32bit
signed short int 8 byte = 64bit

unsigned short
unsigned short int

signed unsigned
2power8=256 = -128 to +127 0 to 255
2power16=65536 = -32768 to +32767 0 to 65535

short x=127;
int y=32767;
long z=32768;

unsigned short x=255;
unsigned int y=65535;
unsigned long z=32768;


Note:
=====
The long, short, signed and unsigned are datatype modifier that can be used with some primitive data types to change the size or length of the datatype.

Primitive Data Types (Fixed in Size)
=================
Integer int data type modifier
Float float short
Double double long
Character char signed
Void void unsigned
Derived Data Types
===============
Function
Array
Pointer
Reference
User Defined Data Types (Variable in Size)
====================
Structure struct
Union union
Enum enum
TypeDef typedef
Class class

short x;
int y;
long z;

Primitive data types are the most basic data types that are used for representing simple values such as integers, float, characters, etc.

The data types that are derived from the primitive or built-in datatypes are referred to as Derived Data Types.

The user-defined data types are defined by the user himself.
================================================
sizeof() operator
==============
Note:
- The size of data type is compiler dependent
- So that we have to use sizeof()

int x=no_of_students*sizeof(short);
Note:
=====
The size of an integer data type is compiler-dependent.
We can use sizeof operator to check the actual size of any data type.