45 int cuio_getindx(struct uio *uio, int loc, int *off);
49 cuio_copydata(struct uio *uio, int off, int len, void *cp)  in cuio_copydata()  argument
55 	if (off < 0)  in cuio_copydata()
56 		panic("cuio_copydata: off %d < 0", off);  in cuio_copydata()
59 	while (off > 0) {  in cuio_copydata()
62 		if (off < iov->iov_len)  in cuio_copydata()
64 		off -= iov->iov_len;  in cuio_copydata()
71 		count = uimin(iov->iov_len - off, len);  in cuio_copydata()
72 		memcpy(cp, (char *)iov->iov_base + off, count);  in cuio_copydata()
75 		off = 0;  in cuio_copydata()
82 cuio_copyback(struct uio *uio, int off, int len, void *cp)  in cuio_copyback()  argument
88 	if (off < 0)  in cuio_copyback()
89 		panic("cuio_copyback: off %d < 0", off);  in cuio_copyback()
92 	while (off > 0) {  in cuio_copyback()
99 		if (off < iov->iov_len)  in cuio_copyback()
101 		off -= iov->iov_len;  in cuio_copyback()
112 		count = uimin(iov->iov_len - off, len);  in cuio_copyback()
113 		memcpy((char *)iov->iov_base + off, cp, count);  in cuio_copyback()
116 		off = 0;  in cuio_copyback()
127 cuio_getptr(struct uio *uio, int loc, int *off)  in cuio_getptr()  argument
135 			*off = loc;  in cuio_getptr()
144 		*off = uio->uio_iov[ind].iov_len;  in cuio_getptr()
152 cuio_apply(struct uio *uio, int off, int len,  in cuio_apply()  argument
160 	if (off < 0)  in cuio_apply()
161 		panic("%s: off %d < 0", __func__, off);  in cuio_apply()
164 	while (off > 0) {  in cuio_apply()
168 		if (off < uiolen)  in cuio_apply()
170 		off -= uiolen;  in cuio_apply()
176 		count = uimin(uio->uio_iov[ind].iov_len - off, len);  in cuio_apply()
179 			 ((char *)uio->uio_iov[ind].iov_base + off), count);  in cuio_apply()
184 		off = 0;  in cuio_apply()