Where does the execution of a C program start and end?-C#.Net Tutorial-php.cn

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Where does the execution of a C program start and end?

王林

Dec 09, 2020 am 10:17 AM

c program

The execution of a C program starts from the main function and ends with the main function. C language is a process-oriented, abstract general-purpose programming language that is widely used in low-level development. Although the C language provides many low-level processing functions, it still maintains cross-platform characteristics.

Where does the execution of a C program start and end?

#The operating environment of this article: windows10 system, thinkpad t480 computer.

The execution of a C program starts from the main function and ends with the main function.

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C language is a process-oriented, abstract, general-purpose programming language that is widely used in low-level development. C language can compile and process low-level memory in a simple way. C language is an efficient programming language that only generates a small amount of machine language and can run without any operating environment support.

Although the C language provides many low-level processing functions, it still maintains cross-platform characteristics. C language programs written in a standard specification can be used on operating platforms such as embedded processors and supercomputers. Compiled on many computer platforms.

Unique features of C language:

C language is the most universal computer programming language. It can not only exert the functions of high-level programming languages, but also have the advantages of assembly language. , so compared to other programming languages, it has its own unique characteristics. Specifically reflected in the following three aspects:

First, extensiveness. The size of the operation range of C language directly determines its advantages and disadvantages. The C language contains 34 operators, so the range of operations exceeds that of many other languages. In addition, the expression forms of its operation results are also very rich. In addition, the C language includes various data structure forms such as character type and pointer type. Therefore, it can also handle larger data structure operations.

Second, simplicity. 9 types of control statements and 32 KEYWORDS are the basic features of C language, which make it widely applicable in computer application writing. It can not only be suitable for the operations of programmers and improve their work efficiency, but also support advanced Programming avoids the tediousness of language switching.

Third, the structure is perfect. C language is a structured language that can implement modular applications by forming module units. It has significant advantages in system description. At the same time, this feature also enables it to adapt to a variety of different programming requirements and execute efficient.

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