Defines starting with `c' in bsd/hfs/hfscommon/headers/system

• CALLBACK_API_1 bsd/hfs/hfscommon/headers/system/ConditionalMacros.h:1075
• CALLBACK_API_2 bsd/hfs/hfscommon/headers/system/ConditionalMacros.h:1076
• CALLBACK_API_3 bsd/hfs/hfscommon/headers/system/ConditionalMacros.h:1077
• CALLBACK_API_4 bsd/hfs/hfscommon/headers/system/ConditionalMacros.h:1078
• CFMSYSTEMCALLS bsd/hfs/hfscommon/headers/system/ConditionalMacros.h:1101
• CGLUESUPPORTED bsd/hfs/hfscommon/headers/system/ConditionalMacros.h:1175
• __CONDITIONALMACROS__ bsd/hfs/hfscommon/headers/system/ConditionalMacros.h:52