ioarg             285 kern/kgdb_stub.c kgdb_attach(int (*getfn)(void *), void (*putfn)(void *, int), void *ioarg)
ioarg             289 kern/kgdb_stub.c 	kgdb_ioarg = ioarg;
ioarg              96 sys/kgdb.h     void kgdb_attach(int (*)(void *), void (*)(void *, int), void *ioarg);