com_kgdb_getc     164 arch/i386/isa/pccom.c int	com_kgdb_getc(void *);
com_kgdb_getc    1669 arch/i386/isa/pccom.c 	kgdb_attach(com_kgdb_getc, com_kgdb_putc, NULL);
com_kgdb_getc     144 dev/ic/com.c   int    com_kgdb_getc(void *);
com_kgdb_getc    1447 dev/ic/com.c   	kgdb_attach(com_kgdb_getc, com_kgdb_putc, NULL);