int
main (void)
{
/* Valid. */
fadvise (stdin, FADVISE_SEQUENTIAL);
fdadvise (fileno (stdin), 0, 0, FADVISE_RANDOM);
/* Ignored. */
fadvise (NULL, FADVISE_RANDOM);
/* Invalid. */
fdadvise (42, 0, 0, FADVISE_RANDOM);
/* Unfortunately C enums are not types.
One could hack type safety by wrapping in a struct,
but it's probably not worth the complexity in this case. */
fadvise (stdin, FADVISE_SEQUENTIAL + FADVISE_RANDOM);
fadvise (stdin, 4242);
return 0;
}
void
fadvise (FILE *fp, fadvice_t advice)
{
if (fp)
fdadvise (fileno (fp), 0, 0, advice);
}
