Typedefs starting with `c' in osfmk/kern

• clock_ctrl_t osfmk/kern/kern_types.h:79
• clock_data_t osfmk/kern/clock.h:124
• clock_ops_data_t osfmk/kern/clock.h:109
• clock_ops_t osfmk/kern/clock.h:108
• clock_serv_t osfmk/kern/kern_types.h:78
• clock_t osfmk/kern/kern_types.h:60
• clock_timer_func_t osfmk/kern/clock.h:172
• cpu_data_t osfmk/kern/cpu_data.h:43