un defined reference to main
时间: 2023-05-01 17:04:10 浏览: 43
这个错误提示意思是程序找不到主函数main的定义。有可能是代码中没有定义main函数,或者main函数的定义被错误地删掉或注释掉了。正确的做法是检查代码中是否有main函数的定义,同时确保写出了正确的函数签名和函数结构。
相关问题
undefined reference to `main'
This error message usually occurs when the compiler cannot find the main function in your code. The main function is the entry point of your program, and it must be defined in your code for the program to run.
To fix this error, make sure that you have defined the main function in your code and that it is spelled correctly. Also, check that the file containing the main function is linked correctly during the compilation process.
If you are using an IDE, make sure that you have created a new project and added the source files correctly. If you are compiling from the command line, make sure that you have specified all the necessary flags and options.
If you are still having trouble, try to simplify your code and remove any unnecessary dependencies. Sometimes, this error can occur due to a missing library or header file.
undefined reference to
"undefined reference to" is a common error message encountered in programming when the linker cannot find a reference to a function, variable, or object that is declared in a different source file or library. This can occur when the source code is not properly compiled, or when the linker is unable to find the required library or object files. To resolve this error, the missing reference must be declared or defined in the correct source file or library, and linked properly during the compilation process.
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