ftp.nice.ch/pub/next/developer/languages/c/djgpp-NS.s.tar.gz#/djgpp/src/binut-2.4/libiberty/msdos.c

This is msdos.c in view mode; [Download] [Up]

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

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

waitpid()
{
  return -1;
}

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.