Macros starting with `d' in kern

• DEBUG0 kern/netport_tcp.c:85
• DEBUG1 kern/netport_tcp.c:86
• DEBUG2 kern/netport_tcp.c:87
• DEBUG3 kern/netport_tcp.c:88
• DEBUG4 kern/netport_tcp.c:89
• DEBUG5 kern/netport_tcp.c:90
• DEBUG6 kern/netport_tcp.c:91
• Debugger kern/netport_tcp.c:67
• decl_simple_lock_data kern/lock.h:86
• dequeue kern/queue.h:105
• do_priority_computation kern/sched_prim.c:1060
• dprintf kern/kdp.c:63
• DRVDBG_CODE kern/kdebug.h:143