Typedefs starting with `s' in osfmk/mach

• sample_array_t osfmk/mach/prof_types.h:83
• sched_attr_t osfmk/mach/mach_types.h:211
• security_token_t osfmk/mach/message.h:292
• semaphore_port_t osfmk/mach/mach_types.h:180
• semaphore_t osfmk/mach/mach_types.h:119
• sf_mapping_t osfmk/mach/shared_memory_server.h:80
• shared_file_info_t osfmk/mach/shared_memory_server.h:113
• sleep_type_t osfmk/mach/clock_types.h:53
• subs_table_t osfmk/mach/etap.h:71
• subsystem_t osfmk/mach/mach_types.h:118