Defines starting with `u' in src

• UAE_SCSIDEV_THREADS src/scsidev.c:40
• UAEVERSION src/uaelib.c:33
• UNEXPANDED src/cfgfile.c:137
• UNIQUE_ID src/bsdsocket.c:35
• __USE_ISOC9X src/fpp.c:9
• USE_UAE_ERSATZ src/memory.c:990