unlink

Synopsis:

          int unlink(const char *pathname);

Request:

‘Funlink,pathnameptr/len’

Return value:

On success, zero is returned. On error, -1 is returned.

Errors:

EACCES

No access to the file or the path of the file.

EPERM

The system does not allow unlinking of directories.

EBUSY

The file pathname cannot be unlinked because it's being used by another process.

EFAULT

pathnameptr is an invalid pointer value.

ENAMETOOLONG

pathname was too long.

ENOENT

A directory component in pathname does not exist.

ENOTDIR

A component of the path is not a directory.

EROFS

The file is on a read-only filesystem.

EINTR

The call was interrupted by the user.