What does remove mean?

remove is a function in C language. Its general function is to delete all elements of arrays and linked list objects. The function prototype is [intremove (char*filename)].

Function function

remove() function is used to delete the specified file. Its prototype is as follows:

int remove(char *filename);

Function declaration 2:

template<classPath>inline bool remove(const Path &Pval);

Function parameters

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

Function return value

Returns 0 if successful, -1 if failed, and the error reason is stored in errno.

Function error code

● EROFS The file to be written is a read-only file.

● EFAULT parameter filename pointer exceeds the accessible memory space.

● ENAMETOOLONG parameter filename is too long.

● ENOMEM Insufficient core memory.

● The ELOOP parameter filename has too many symbolic connections.

● EIO I/O access error.

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