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system() function

The system() function is a C language library function used to execute system commands in the operating system. This topic provides articles and courses related to the system() function. Interested friends can take a look.

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time：2023-08-17 10:06:53

Detailed explanation of system() function usage System() function usage: 1. Directly call the system() function and pass in the system command string to be executed; 2. The return value of the system() function indicates the execution result of the system command. You can use this return value to determine the command Execution results, and then take corresponding processing measures; 3. The system() function can accept parameters in the command string; 4. The input and output of the command will be shared with the input and output of the program; 5. The system() function will directly execute the passed Please pay special attention to the security of the command string entered.

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How to use the system() function in C language? In C language, the system() function is used to execute shell commands, that is, to send an instruction to dos; usage: "int system(char *command);". The system() function needs to add the header file "<stdlib.h>" before it can be called.

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Introduction to the usage of php's system() function & exec() function & passthru() function This article brings you an introduction to the usage of PHP's system() function & exec() function & passthru() function. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

system()函数&exec()函数&passthru()函数

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C language system function usage The function of the c language system function is to issue a DOS command. Its usage is "int system(char *command);". The system function needs to add the header file "<stdlib.h>" before it can be called.

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What is the system() function? System is a C/C++ function. The detailed explanation of the system function under the Windows operating system is mainly applied in C language. The system function needs to be added with the header file <stdlib.h> before it can be called.

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