- /* close stdin, stdout, stderr */
- close( STDIN_FILENO );
- close( STDOUT_FILENO );
- close( STDERR_FILENO );
-
- /* redirect stdin, stdout, stderr to /dev/null */
- dup2( sd, STDIN_FILENO );
- dup2( sd, STDOUT_FILENO );
- dup2( sd, STDERR_FILENO );
-
- close( sd );