unlink
======

POSIX specification: http://www.opengroup.org/onlinepubs/9699919799/functions/unlink.html

Gnulib module: ---

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

  * Removing an open file is non-portable: On Unix this allows the programs that have the file already open to continue working with it; the file's storage is only freed when the no process has the file open any more.  On Windows, the attempt to remove an open file fails.