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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.