CAPH_IGNORE_EBADF
const int iebadf = CAPH_IGNORE_EBADF;
if (errno == EBADF && (flags & CAPH_IGNORE_EBADF) != 0)
if (caph_limit_stream(STDOUT_FILENO, CAPH_WRITE | CAPH_IGNORE_EBADF))
if (caph_limit_stream(STDERR_FILENO, CAPH_WRITE | CAPH_IGNORE_EBADF))