The most common varieties. The four basic arithmetic type specifiers char, int, float, and double, as well as the modifiers signed, unsigned, short, and long, are all available in the C language. It's a number type. The type itself can be signed or unsigned. It has CHAR BIT bits in it.
Common data types include:
Integer.
Floating-point number.
Character.
String.
Boolean.
The long data type stores integers like int , but gives a wider range of values at the cost of taking more memory. Long stores at least 32 bits, giving it a range of -2,147,483,648 to 2,147,483,647. Alternatively, use unsigned long for a range of 0 to 4,294,967,295.
Primary Constants are the fundamental constants in C, while Secondary Constants are the constants that are constructed using Primary Constants. Constants in Integers: Numeric integer constants include numbers such as 2, 5, 245, -540, 0, -3, and so on.
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