All symbols starting with `o' in bsd/include

• OARMAG1 bsd/include/ar.h:69
• OARMAG2 bsd/include/ar.h:70
• offsetof bsd/include/stddef.h:84
• optarg bsd/include/unistd.h:133
• opterr bsd/include/unistd.h:134
• optind bsd/include/unistd.h:134
• optopt bsd/include/unistd.h:134
• optreset bsd/include/unistd.h:134
• OVERFLOW bsd/include/math.h:104