if (fstatfs (fd, &buf32) < 0)
if (__fstatfs (fd, &buf32) < 0)
fstatfs64 (int fd, struct statfs64 *buf){  struct statfs buf32;  if (fstatfs (fd, &buf32) < 0)    return -1;  buf->f_type = buf32.f_type;  buf->f_bsize = buf32.f_bsize;  buf->f_blocks = buf32.f_blocks;  buf->f_bfree = buf32.f_bfree;  buf->f_bavail = buf32.f_bavail;  buf->f_files = buf32.f_files;  buf->f_ffree = buf32.f_ffree;  buf->f_fsid = buf32.f_fsid;  buf->f_namelen = buf32.f_namelen;  memcpy (buf->f_spare, buf32.f_spare, sizeof (buf32.f_spare));  return 0;}