DOS4GW            422 gc/include/private/gcconfig.h #   if !defined(OS2) && !defined(MSWIN32) && !defined(DOS4GW)
DOS4GW           1255 gc/include/private/gcconfig.h #   ifdef DOS4GW
DOS4GW           2228 gc/include/private/gcconfig.h #     if defined(NEXT) || defined(DOS4GW) || \
DOS4GW            222 gc/mach_dep.c  	&& !defined(DOS4GW) && !defined(HURD)
DOS4GW            506 gc/os_dep.c          && !defined(MACOS) && !defined(DJGPP) && !defined(DOS4GW) \
DOS4GW            582 gc/os_dep.c    #if defined (DOS4GW)
DOS4GW           1507 gc/os_dep.c    	&& !defined(MACOS) && !defined(DOS4GW)