Here, in this example, char is the data type and ch is the variable name, which has stored the character A in it. It is for storing a character and takes up to 1 byte of memory from the compiler. It is for integers it takes up to 2 or 4 bytes of memory from the compiler (1 byte = 8 bits) and can only store the integer values like 10, 20, and so on.Įxample, int num = 20 char data types in C Programming Let’s see the function of different built-in data types available: int data types in C Programming Primary data types are also called built-in data types, i.e., they are already built and stored in the C library. In this particular module, we will talk about primary data types in detail and the rest we will cover in the upcoming modules. User-defined data types include class, structure, union, enum, and typedef. Primary data types in C programming include Integer, Character, Boolean, Floating-Point i.e., decimal value, Double Floating Point i.e., large values, void i.e., null value, and wide character.ĭerived data types include Function, Array, Pointer, and references.
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