Works for me: $ gcc -m32 time_size.c -o time_size $ ./time_size 4 But I have the 32bit development packages installed (besides the 64bit pkgs). A

Works for me: $ gcc -m32 time_size.c -o time_size $ ./time_size 4 But I have the 32bit development packages installed (besides the 64bit pkgs). Am on Fedora. Though I couldn't find anything like `-D_FILE_OFFSET_BITS=64` for `off_t` and associated functions.