Structs starting with `k' in bsd/kern

• kdebug_args bsd/kern/kdebug.c:74
• kill_args bsd/kern/kern_sig.c:592
• kmzones bsd/kern/kern_malloc.c:100
• krt bsd/kern/kdebug.c:83
• ktrace_args bsd/kern/kern_ktrace.c:255