1339 safe_mcopy(struct mbuf *srcm, struct mbuf *dstm, u_int offset)  in safe_mcopy()  argument
1348 	while (j >= srcm->m_len) {  in safe_mcopy()
1349 		j -= srcm->m_len;  in safe_mcopy()
1350 		srcm = srcm->m_next;  in safe_mcopy()
1351 		if (srcm == NULL)  in safe_mcopy()
1354 	sptr = mtod(srcm, caddr_t) + j;  in safe_mcopy()
1355 	slen = srcm->m_len - j;  in safe_mcopy()
1374 			srcm = srcm->m_next;  in safe_mcopy()
1375 			if (srcm == NULL)  in safe_mcopy()
1377 			sptr = srcm->m_data;  in safe_mcopy()
1378 			slen = srcm->m_len;  in safe_mcopy()