debug18           659 kern/kern_sysctl.c struct ctldebug debug15, debug16, debug17, debug18, debug19;
debug18           664 kern/kern_sysctl.c 	&debug15, &debug16, &debug17, &debug18, &debug19,
debug18           659 sys/sysctl.h   extern struct ctldebug debug15, debug16, debug17, debug18, debug19;