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This article shows you what the remove function means, the content is concise and easy to understand, it can definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.

Remove () is a function in C language, and its general function is to delete all elements of array and linked list objects. The function prototype is intremove (char*filename).

Remove function

The remove () function is used to delete the specified file, and the prototype is as follows:

Int remove (char * filename)

Function declaration 2:

Templateinline bool remove (const Path & Pval)

Function parameter

Filename is the name of the file to be deleted and can be a directory. If the parameter filename is a file, unlink () is called for processing; if the parameter filename is a directory, rmdir () is called for processing.

The return value of remove function

0 is returned for success and-1 for failure. The cause of the error is stored in errno.

Remove function error code

The file that ● EROFS wants to write is read-only.

The ● EFAULT parameter filename pointer exceeds the accessible memory space.

The ● ENAMETOOLONG parameter filename is too long.

The ● ENOMEM core is out of memory.

The ● ELOOP parameter filename has too many symbolic connection problems.

● EIO I Dot O access error.

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