setcred_args
{ .sy_narg = AS(setcred_args), .sy_call = (sy_call_t *)sys_setcred, .sy_auevent = AUE_SETCRED, .sy_flags = SYF_CAPENABLED, .sy_thrcnt = SY_THR_STATIC }, /* 591 = setcred */
sys_setcred(struct thread *td, struct setcred_args *uap)
struct setcred_args *p = params;
int sys_setcred(struct thread *, struct setcred_args *);