memcpy (&attr->__ss, sigdefault, sizeof (sigset_t));
memcpy (&attr->__ss, sigmask, sizeof (sigset_t));
posix_spawnattr_setsigmask (posix_spawnattr_t *attr,			    const sigset_t *sigmask){  /* Copy the sigset_t data to the user buffer.  */  memcpy (&attr->__ss, sigdefault, sizeof (sigset_t));  return 0;}