There are various data types in C and the main function is to specify the type of data that can be stored by a variable like integer, floating, character, etc.
Here are the following data types in the C language:
|Basic Data Type||int, char, float, double|
|Derived Data Type||array, pointer, structure, union|
|Enumeration Data Type||enum|
|Void Data Type||void|
The basic data types in C languages are integer-based and floating-point based. C language is known to support both signed and unsigned literals.
Please note that the memory size of the basic data types in C language may change according to 32 or 64-bit operating system.
Here are some of the basic data types.
The points to be noted is that the size is given according to 32-bit architecture.
|Data Types||Memory Size||Range|
|char||1 byte||−128 to 127|
|unsigned char||1 byte||0 to 255|
|signed char||1 byte||−128 to 127|
|short||2 byte||−32,768 to 32,767|
|unsigned short||2 byte||0 to 65,535|
|signed short||2 byte||−32,768 to 32,767|
|int||2 byte||−32,768 to 32,767|
|short 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|
|unsigned short int||2 byte||0 to 65,535|
|signed short int||2 byte||−32,768 to 32,767|
|signed long int||4 byte||-2,147,483,648 to 2,147,483,647|
|long int||4 byte||-2,147,483,648 to 2,147,483,647|
|long double||10 byte|
|unsigned long int||4 byte||0 to 4,294,967,295|