internal static extern long LSeek(int fd, long offset, SeekWhence whence);
internal static partial long LSeek(SafeFileHandle fd, long offset, SeekWhence whence);
internal static extern long LSeek(SafeFileHandle fd, long offset, SeekWhence whence);
internal static extern long lseek64(int fd, off64_t offset, SeekWhence whence);
internal static extern long LSeek(SafeFileHandle fd, long offset, SeekWhence whence);
internal static extern off_t lseek(int fd, off_t offset, SeekWhence whence);