4.4BSD/usr/src/contrib/gdb-4.7.lbl/libiberty/msdos.c

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char msg[] = "No vfork available - aborting\n";
vfork()
{
  write(1, msg, sizeof(msg));
}

sigsetmask()
{
  /* no signals support in go32 (yet) */
}

getuid()
{
  
  return 42;
}
getgid()
{
  return 42;
}