X:\>gcc -Wall --pedantic -o 979536.exe 979536.c 979536.c: In function 'main': 979536.c:18: warning: ISO C does not support the 'I64' ms_printf length modifier 979536.c:18: warning: ISO C does not support the 'I64' ms_printf length modifier 979536.c:18: warning: ISO C does not support the 'I64' ms_printf length modifier 979536.c:18: warning: format '%d' expects type 'int', but argument 11 has type '_off_t' 979536.c:29: warning: ISO C does not support the 'I64' ms_printf length modifier 979536.c:29: warning: ISO C does not support the 'I64' ms_printf length modifier 979536.c:29: warning: ISO C does not support the 'I64' ms_printf length modifier 979536.c:29: warning: format '%d' expects type 'int', but argument 11 has type '_off_t' X:\>979536.exe for ""; stat returned: -1 gid: 0 atime:0 ctime:0 drive:0 inode:0 mode:0 mtime:0 nlink:0 rdev:0 size:0 uid:0 For (null); stat returned: -1 gid: 0 atime:0 ctime:0 drive:0 inode:0 mode:0 mtime:0 nlink:0 rdev:0 size:0 uid:0 X:\>gcc --version gcc (GCC) 4.4.7 20111023 (prerelease) [svn/rev.180339 - mingw-w64/oz] Copyright (C) 2010 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. X:\>