6342N/AThis problem has been fixed upstream.
6342N/A # define CSWTCH _POSIX_VDISABLE
6342N/A-/* SunOS 5.3 loses (^Z doesn't work) if 'swtch' is the same as 'susp'.
6342N/A+/* SunOS >= 5.3 loses (^Z doesn't work) if 'swtch' is the same as 'susp'.
6342N/A So the default is to disable 'swtch.' */
6342N/A-#if defined __sparc__ && defined __svr4__
6342N/A # define CSWTCH _POSIX_VDISABLE