Symbol: sys_extpreadv
sys/kern/init_sysent.c
306
{ AS(extpreadv_args), 8, (sy_call_t *)sys_extpreadv }, /* 289 = extpreadv */
sys/sys/sysproto.h
1628
int sys_extpreadv (struct sysmsg *sysmsg, const struct extpreadv_args *);