byte_cnt = read (handle, actual_p, sizeof sample - 1);
if (byte_cnt != sizeof sample - 1)
- printf ("(read-boundary) fail: read() returned %d instead of %d\n",
+ printf ("(read-boundary) fail: read() returned %d instead of %zu\n",
byte_cnt, sizeof sample - 1);
else if (strcmp (sample, actual_p))
printf ("(read-boundary) fail: expected text differs from actual:\n%s",