What are the basic data types in C language?
The basic data types of C language include integer, floating point, enumeration, Boolean, pointer, array, structure, shared and constructed types. C language is a high-level programming language widely used in system programming and embedded development. It provides rich data types to support different data operations and storage requirements. By using these data types, programmers can flexibly handle different types of data and perform various calculations and operations. It should be noted that different compilers and platforms may have some subtle differences.
The operating system for this tutorial: Windows 10 system, DELL G3 computer.
C language is a high-level programming language widely used in system programming and embedded development. It provides rich data types to support different data operations and storage requirements. Below I will introduce the basic data types in C language in detail.
1. Integer:
- char: 1 byte, used to represent characters or small integers.
- short: 2 bytes, used to represent short integers.
- int: usually 4 bytes, used to represent integers.
- long: usually 4 or 8 bytes, used to represent long integers.
- long long: 8 bytes, used to represent longer integers.
2. Floating-point:
- float: 4 bytes, used to represent single-precision floating point numbers.
- double: 8 bytes, used to represent double-precision floating point numbers.
- long double: usually 8 or 16 bytes, used to represent higher precision floating point numbers.
3. Enumeration:
- enum: used to define a set of constants with discrete values.
4. Boolean:
- bool: A value used to represent true or false.
5. Pointer type (Pointer):
- Pointer is a special data type used to store the memory address of a variable.
6. Array:
- An array is a collection that stores data of the same type, and its elements can be accessed through indexes.
7. Structure:
- struct: used to define a composite data type containing members of different data types.
8. Common body type (Union):
- union: used to define a data structure that can store different data types, but can only store one of the data types at the same time.
9. Constructed type (Typedef):
- typedef: used to define a new name for an existing data type.
The above are the basic data types commonly used in C language. By using these data types, programmers can flexibly handle different types of data and perform various calculations and operations. It should be noted that different compilers and platforms may have some subtle differences. For example, the size and range of data types may be different, so compatibility and portability issues need to be paid attention to in actual programming.
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