Defines starting with `h' in mach

• HIGHRES_CLOCK mach/clock_types.h:64
• HOST_BASIC_INFO mach/host_info.h:76
• HOST_BASIC_INFO_COUNT mach/host_info.h:91
• HOST_INFO_MAX mach/host_info.h:68
• HOST_LOAD_INFO mach/host_info.h:79
• HOST_LOAD_INFO_COUNT mach/host_info.h:111
• HOST_PROCESSOR_SLOTS mach/host_info.h:77
• HOST_SCHED_INFO mach/host_info.h:78
• HOST_SCHED_INFO_COUNT mach/host_info.h:101