Symbol: sys_preadv
sys/kern/init_sysent.c
358
{ .sy_narg = AS(preadv_args), .sy_call = (sy_call_t *)sys_preadv, .sy_auevent = AUE_PREADV, .sy_flags = SYF_CAPENABLED, .sy_thrcnt = SY_THR_STATIC }, /* 289 = preadv */
sys/sys/sysproto.h
2087
int sys_preadv(struct thread *, struct preadv_args *);