aresid            246 kern/vfs_vnops.c     enum uio_seg segflg, int ioflg, struct ucred *cred, size_t *aresid,
aresid            269 kern/vfs_vnops.c 	if (aresid)
aresid            270 kern/vfs_vnops.c 		*aresid = auio.uio_resid;