HelenOS sources

off64_t            42 abi/include/_bits/off64_t.h typedef int64_t off64_t;
off64_t            63 uspace/lib/posix/include/posix/sys/types.h typedef int64_t off64_t;
off64_t           103 uspace/lib/posix/include/posix/unistd.h typedef int64_t off64_t;