text: /* ISC license. */
  
  #include <errno.h>
  
  #include <skalibs/skaclient.h>
  #include <skalibs/unixmessage.h>
  #include <skalibs/posixishard.h>
  
  int skaclient_default_cb (unixmessage_t const *m, void *p)
  {
    unsigned char *err = p ;
    if (m->len != 1 || m->nfds) return (errno = EPROTO, 0) ;
    *err = m->s[0] ;
    return 1 ;
  }
  