lseek_args
{ .sy_narg = AS(lseek_args), .sy_call = (sy_call_t *)sys_lseek, .sy_auevent = AUE_LSEEK, .sy_flags = SYF_CAPENABLED, .sy_thrcnt = SY_THR_STATIC }, /* 478 = lseek */
struct lseek_args *p = params;
sys_lseek(struct thread *td, struct lseek_args *uap)
int sys_lseek(struct thread *, struct lseek_args *);