[ NO EXCITING FILE ]
-fincore: failed to open: no_such_file: No such file or directory
return value: 1
0 0 i_EMPTY_FILE
return value: 0
1 2147483648 i_WINDOW_SIZE_+_1_page_directio-sparse-incore_
return value: 0
[ MULTIPLE FILES ]
-fincore: failed to open: no_such_file: No such file or directory
PAGES SIZE FILE
0 0 i_EMPTY_FILE
1 65535 i_PAGESIZE_-1__incore_