All symbols starting with `o' in bsd/include

• OARMAG1 bsd/include/ar.h:72
• OARMAG2 bsd/include/ar.h:73
• offsetof bsd/include/stddef.h:87
• optarg bsd/include/unistd.h:124
• opterr bsd/include/unistd.h:125
• optind bsd/include/unistd.h:125
• optopt bsd/include/unistd.h:125
• optreset bsd/include/unistd.h:125
• OVERFLOW bsd/include/math.h:105