This is xnu-10002.1.13. See this file in:
Directory listing for xnu-10002.1.13//osfmk/mach/machine
Makefile
_structs.h
asm.h
boolean.h
exception.h
kern_return.h
mach_machine.modulemap
machine_types.defs
ndr_def.h
processor_info.h
rpc.h
sdt.h
sdt_isa.h
syscall_sw.h
thread_state.h
thread_status.h
vm_param.h
vm_types.h