/* rename file 1 to file 2 */
TESTCASE( _PDCLIB_rename( filename1 + 6, filename2 ) == 0 );
/* check that file 2 exists, file 1 does not */
TESTCASE( fopen( filename1 + 6, "r" ) == NULL );
/* rename file 1 to file 2 */
TESTCASE( _PDCLIB_rename( filename1 + 6, filename2 ) == 0 );
/* check that file 2 exists, file 1 does not */
TESTCASE( fopen( filename1 + 6, "r" ) == NULL );