taglinefilesource code
NULL163fs/char_dev.cNULL,    /* nodev */
NULL165fs/char_dev.cNULL,    /* /dev/fd */
NULL166fs/char_dev.cNULL,    /* /dev/hd */
NULL170fs/char_dev.cNULL};    /* unnamed pipes */
NULL50include/linux/fs.h#define NULL ((void *) 0)
NULL53include/linux/sched.h#define NULL ((void *) 0)
NULL14include/stddef.h#undef NULL
NULL15include/stddef.h#define NULL ((void *)0)
NULL5include/string.h#define NULL ((void *) 0)
NULL20include/sys/types.h#define NULL ((void *) 0)
NULL15include/time.h#define NULL ((void *) 0)
NULL18include/unistd.h#define NULL    ((void *)0)