nullop - FreeBSD

Symbol: nullop

sys/dev/null/null.c

.d_read = (d_read_t *)nullop,

sys/dev/random/fenestrasX/fx_main.c

.ra_pre_read = (void (*)(void))nullop,

sys/kern/kern_conf.c

#define null_open (d_open_t *)nullop

sys/kern/kern_conf.c

#define null_close (d_close_t *)nullop

sys/kern/vfs_subr.c

#define sync_close ((int (*)(struct vop_close_args *))nullop)

sys/sys/systm.h

int nullop(void);