Macros in src/od-win32

• Error src/od-win32/win32gui.c:83
• GZCLOSE src/od-win32/win32.c:1119
• GZOPEN src/od-win32/win32.c:1118
• GZREAD src/od-win32/win32.c:1120
• HtmlHelp src/od-win32/win32gui.c:66
• THREAD src/od-win32/bsdsock.c:39