608   int restlen = ic->parm.dss1_io.datalen;  in interrogate_success()  local
613   if (restlen < 2) return(-100); /* frame too short */  in interrogate_success()
616   restlen -= 2; /* remaining bytes */  in interrogate_success()
618    { if (restlen < 2) return(-103);  in interrogate_success()
619      if ((*(src+restlen-1)) || (*(src+restlen-2))) return(-104);  in interrogate_success()
620      restlen -= 2;  in interrogate_success()
625       restlen--;  in interrogate_success()
626       if (n > restlen) return(-105);  in interrogate_success()
627       restlen = n;  in interrogate_success()
630     if (n > restlen) return(-106);  in interrogate_success()
632       restlen = n; /* standard format */     in interrogate_success()
633   if (restlen < 3) return(-107); /* no procedure */  in interrogate_success()
635   restlen -= 3;   in interrogate_success()
636   if (restlen < 2) return(-109); /* list missing */  in interrogate_success()
640      restlen -= 2; /* remaining bytes */  in interrogate_success()
642       { if (restlen < 2) return(-111);  in interrogate_success()
643         if ((*(src+restlen-1)) || (*(src+restlen-2))) return(-112);  in interrogate_success()
644         restlen -= 2;  in interrogate_success()
649          restlen--;  in interrogate_success()
650          if (n > restlen) return(-113);  in interrogate_success()
651          restlen = n;  in interrogate_success()
654        if (n > restlen) return(-114);  in interrogate_success()
656          restlen = n; /* standard format */     in interrogate_success()
659   while (restlen >= 2)  in interrogate_success()
666      restlen -= 2;  in interrogate_success()
667      if (n > restlen) return(-116); /* enum length wrong */  in interrogate_success()
668      restlen -= n;  in interrogate_success()
693   if (restlen) return(-117);  in interrogate_success()