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In c language data types are used to specify the tye of data.

for ex:

int a;

It means "a" is a variable of type integer.

There are two types of data types in c.They are

  1. primary data types
  2. secondary data types

primary data types are the built in data types and secondary data types are the user defined data types.

eg for primary data types are int,float,char,long,double..

and for secondary are arrays,structures,pointers,unions..

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