diff --git a/sys/arch/i386/isa/isa_machdep.c b/sys/arch/i386/isa/isa_machdep.c
index 2b98d5ffdf6d..fa238e9dd7fe 100644
--- a/sys/arch/i386/isa/isa_machdep.c
+++ b/sys/arch/i386/isa/isa_machdep.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: isa_machdep.c,v 1.40 1998/10/03 21:53:04 thorpej Exp $	*/
+/*	$NetBSD: isa_machdep.c,v 1.41 1999/01/08 18:10:35 augustss Exp $	*/
 
 #define ISA_DMA_STATS
 
@@ -961,16 +961,16 @@ _isa_bus_dmamap_sync(t, map, offset, len, ops)
 			/*
 			 * Copy the caller's buffer to the bounce buffer.
 			 */
-			memcpy(cookie->id_bouncebuf + offset,
-			    cookie->id_origbuf + offset, len);
+			memcpy((char *)cookie->id_bouncebuf + offset,
+			    (char *)cookie->id_origbuf + offset, len);
 		}
 
 		if (ops & BUS_DMASYNC_POSTREAD) {
 			/*
 			 * Copy the bounce buffer to the caller's buffer.
 			 */
-			memcpy(cookie->id_origbuf + offset,
-			    cookie->id_bouncebuf + offset, len);
+			memcpy((char *)cookie->id_origbuf + offset,
+			    (char *)cookie->id_bouncebuf + offset, len);
 		}
 
 		/*
@@ -992,7 +992,7 @@ _isa_bus_dmamap_sync(t, map, offset, len, ops)
 			 * Copy the caller's buffer to the bounce buffer.
 			 */
 			m_copydata(m0, offset, len,
-			    cookie->id_bouncebuf + offset);
+			    (char *)cookie->id_bouncebuf + offset);
 		}
 
 		if (ops & BUS_DMASYNC_POSTREAD) {
@@ -1016,7 +1016,8 @@ _isa_bus_dmamap_sync(t, map, offset, len, ops)
 				    len : m->m_len - moff;
 
 				memcpy(mtod(m, caddr_t) + moff,
-				    cookie->id_bouncebuf + offset, minlen);
+				    (char *)cookie->id_bouncebuf + offset,
+				    minlen);
 
 				moff = 0;
 				len -= minlen;
diff --git a/sys/ddb/db_elf.c b/sys/ddb/db_elf.c
index ca1b9324d479..d8d6bdebf3e8 100644
--- a/sys/ddb/db_elf.c
+++ b/sys/ddb/db_elf.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: db_elf.c,v 1.7 1998/12/04 20:18:05 thorpej Exp $	*/
+/*	$NetBSD: db_elf.c,v 1.8 1999/01/08 18:10:35 augustss Exp $	*/
 
 /*-
  * Copyright (c) 1997 The NetBSD Foundation, Inc.
@@ -157,7 +157,7 @@ db_elf_sym_init(symsize, symtab, esymtab, name)
 	 * its section type Elf_sht_null so that it will be ignored
 	 * later.
 	 */
-	shp = (Elf_Shdr *)(symtab + elf->e_shoff);
+	shp = (Elf_Shdr *)((char *)symtab + elf->e_shoff);
 	for (i = 0; i < elf->e_shnum; i++) {
 		switch (shp[i].sh_type) {
 		case Elf_sht_strtab:
@@ -167,17 +167,18 @@ db_elf_sym_init(symsize, symtab, esymtab, name)
 			}
 			if (strtab_start != NULL)
 				goto multiple_strtab;
-			strtab_start = (char *)(symtab + shp[i].sh_offset);
-			strtab_end = (char *)(symtab + shp[i].sh_offset +
-			    shp[i].sh_size);
+			strtab_start = (char *)symtab + shp[i].sh_offset;
+			strtab_end = (char *)symtab + shp[i].sh_offset +
+			    shp[i].sh_size;
 			break;
 		
 		case Elf_sht_symtab:
 			if (symtab_start != NULL)
 				goto multiple_symtab;
-			symtab_start = (Elf_Sym *)(symtab + shp[i].sh_offset);
-			symtab_end = (Elf_Sym *)(symtab + shp[i].sh_offset +
-			    shp[i].sh_size);
+			symtab_start = (Elf_Sym *)((char *)symtab + 
+			    shp[i].sh_offset);
+			symtab_end = (Elf_Sym *)((char *)symtab + 
+			    shp[i].sh_offset + shp[i].sh_size);
 			break;
 
 		default:
@@ -203,7 +204,8 @@ db_elf_sym_init(symsize, symtab, esymtab, name)
 	if (db_add_symbol_table((char *)symtab_start,
 	    (char *)symtab_end, name, (char *)symtab) != -1) {
 		printf("[ preserving %lu bytes of %s ELF symbol table ]\n",
-		    (u_long)roundup((esymtab - symtab), sizeof(u_long)), name);
+		    (u_long)roundup(((char *)esymtab - (char *)symtab), 
+				    sizeof(u_long)), name);
 		return (TRUE);
 	}
 
diff --git a/sys/dev/ata/ata_wdc.c b/sys/dev/ata/ata_wdc.c
index d01bc9e42957..48a7dcf68a08 100644
--- a/sys/dev/ata/ata_wdc.c
+++ b/sys/dev/ata/ata_wdc.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: ata_wdc.c,v 1.10 1998/12/16 13:02:03 bouyer Exp $	*/
+/*	$NetBSD: ata_wdc.c,v 1.11 1999/01/08 18:10:35 augustss Exp $	*/
 
 /*
  * Copyright (c) 1998 Manuel Bouyer.
@@ -264,8 +264,8 @@ again:
 	    		/* Init the DMA channel. */
 			if ((*chp->wdc->dma_init)(chp->wdc->dma_arg,
 			    chp->channel, xfer->drive,
-			    xfer->databuf + xfer->c_skip, ata_bio->nbytes,
-			    dma_flags) != 0) {
+			    (char *)xfer->databuf + xfer->c_skip, 
+			    ata_bio->nbytes, dma_flags) != 0) {
 				ata_bio->error = ERR_DMA;
 				ata_bio->r_error = 0;
 				wdc_ata_bio_done(chp, xfer);
@@ -330,24 +330,24 @@ again:
 			if (drvp->drive_flags & DRIVE_CAP32) {
 				bus_space_write_multi_4(chp->data32iot,
 				    chp->data32ioh, 0,
-				    xfer->databuf + xfer->c_skip,
+				    (char *)xfer->databuf + xfer->c_skip,
 				    ata_bio->nbytes >> 2);
 			} else {
 				bus_space_write_multi_2(chp->cmd_iot,
 				    chp->cmd_ioh, wd_data,
-				    xfer->databuf + xfer->c_skip,
+				    (char *)xfer->databuf + xfer->c_skip,
 				    ata_bio->nbytes >> 1);
 			}
 		} else {
 			if (drvp->drive_flags & DRIVE_CAP32) {
 				bus_space_write_multi_stream_4(chp->data32iot,
 				    chp->data32ioh, 0,
-				    xfer->databuf + xfer->c_skip,
+				    (char *)xfer->databuf + xfer->c_skip,
 				    ata_bio->nbytes >> 2);
 			} else {
 				bus_space_write_multi_stream_2(chp->cmd_iot,
 				    chp->cmd_ioh, wd_data,
-				    xfer->databuf + xfer->c_skip,
+				    (char *)xfer->databuf + xfer->c_skip,
 				    ata_bio->nbytes >> 1);
 			}
 		}
@@ -481,24 +481,24 @@ wdc_ata_bio_intr(chp, xfer)
 			if (drvp->drive_flags & DRIVE_CAP32) {
 				bus_space_read_multi_4(chp->data32iot,
 				    chp->data32ioh, 0,
-				    xfer->databuf + xfer->c_skip,
+				    (char *)xfer->databuf + xfer->c_skip,
 				    ata_bio->nbytes >> 2);
 			} else {
 				bus_space_read_multi_2(chp->cmd_iot,
 				    chp->cmd_ioh, wd_data,
-				    xfer->databuf + xfer->c_skip,
+				    (char *)xfer->databuf + xfer->c_skip,
 				    ata_bio->nbytes >> 1);
 			}
 		} else {
 			if (drvp->drive_flags & DRIVE_CAP32) {
 				bus_space_read_multi_stream_4(chp->data32iot,
 				    chp->data32ioh, 0,
-				    xfer->databuf + xfer->c_skip,
+				    (char *)xfer->databuf + xfer->c_skip,
 				    ata_bio->nbytes >> 2);
 			} else {
 				bus_space_read_multi_stream_2(chp->cmd_iot,
 				    chp->cmd_ioh, wd_data,
-				    xfer->databuf + xfer->c_skip,
+				    (char *)xfer->databuf + xfer->c_skip,
 				    ata_bio->nbytes >> 1);
 			}
 		}
diff --git a/sys/dev/isa/sbdsp.c b/sys/dev/isa/sbdsp.c
index 81b71ce2851b..692d5c799c25 100644
--- a/sys/dev/isa/sbdsp.c
+++ b/sys/dev/isa/sbdsp.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: sbdsp.c,v 1.88 1998/08/17 21:16:15 augustss Exp $	*/
+/*	$NetBSD: sbdsp.c,v 1.89 1999/01/08 18:10:35 augustss Exp $	*/
 
 /*
  * Copyright (c) 1991-1993 Regents of the University of California.
@@ -1238,7 +1238,8 @@ sbdsp_trigger_input(addr, start, end, blksize, intr, arg, param)
 
 	DPRINTF(("sbdsp: dma start loop input start=%p end=%p chan=%d\n", 
 	    start, end, sc->sc_i.dmachan));
-	isa_dmastart(sc->sc_ic, sc->sc_i.dmachan, start, end - start, NULL,
+	isa_dmastart(sc->sc_ic, sc->sc_i.dmachan, start, 
+	    (char *)end - (char *)start, NULL,
 	    DMAMODE_READ | DMAMODE_LOOP, BUS_DMA_NOWAIT);
 
 	return sbdsp_block_input(addr);
@@ -1373,7 +1374,8 @@ sbdsp_trigger_output(addr, start, end, blksize, intr, arg, param)
 
 	DPRINTF(("sbdsp: dma start loop output start=%p end=%p chan=%d\n",
 	    start, end, sc->sc_o.dmachan));
-	isa_dmastart(sc->sc_ic, sc->sc_o.dmachan, start, end - start, NULL,
+	isa_dmastart(sc->sc_ic, sc->sc_o.dmachan, start, 
+	    (char *)end - (char *)start, NULL,
 	    DMAMODE_WRITE | DMAMODE_LOOP, BUS_DMA_NOWAIT);
 
 	return sbdsp_block_output(addr);
diff --git a/sys/dev/scsipi/atapi_wdc.c b/sys/dev/scsipi/atapi_wdc.c
index acdae0a9f5bb..502c7979d17d 100644
--- a/sys/dev/scsipi/atapi_wdc.c
+++ b/sys/dev/scsipi/atapi_wdc.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: atapi_wdc.c,v 1.12 1998/12/17 13:05:05 bouyer Exp $	*/
+/*	$NetBSD: atapi_wdc.c,v 1.13 1999/01/08 18:10:36 augustss Exp $	*/
 
 /*
  * Copyright (c) 1998 Manuel Bouyer.
@@ -446,12 +446,12 @@ again:
 			if ((chp->wdc->cap & WDC_CAPABILITY_ATAPI_NOSTREAM)) {
 				bus_space_write_multi_2(chp->cmd_iot,
 				    chp->cmd_ioh, wd_data,
-				    xfer->databuf + xfer->c_skip,
+				    (char *)xfer->databuf + xfer->c_skip,
 				    xfer->c_bcount >> 1);
 			} else {
 				bus_space_write_multi_stream_2(chp->cmd_iot,
 				    chp->cmd_ioh, wd_data,
-				    xfer->databuf + xfer->c_skip,
+				    (char *)xfer->databuf + xfer->c_skip,
 				    xfer->c_bcount >> 1);
 			}
 			for (i = xfer->c_bcount; i < len; i += 2)
@@ -464,11 +464,13 @@ again:
 			    if ((chp->wdc->cap & WDC_CAPABILITY_ATAPI_NOSTREAM))
 				bus_space_write_multi_4(chp->data32iot,
 				    chp->data32ioh, 0,
-				    xfer->databuf + xfer->c_skip, len >> 2);
+				    (char *)xfer->databuf + xfer->c_skip,
+				    len >> 2);
 			    else
 				bus_space_write_multi_stream_4(chp->data32iot,
 				    chp->data32ioh, wd_data,
-				    xfer->databuf + xfer->c_skip, len >> 2);
+				    (char *)xfer->databuf + xfer->c_skip,
+				    len >> 2);
 
 			    xfer->c_skip += len & 0xfffffffc;
 			    xfer->c_bcount -= len & 0xfffffffc;
@@ -478,11 +480,13 @@ again:
 			    if ((chp->wdc->cap & WDC_CAPABILITY_ATAPI_NOSTREAM))
 				bus_space_write_multi_2(chp->cmd_iot,
 				    chp->cmd_ioh, wd_data,
-				    xfer->databuf + xfer->c_skip, len >> 1);
+				    (char *)xfer->databuf + xfer->c_skip,
+				    len >> 1);
 			    else
 				bus_space_write_multi_stream_2(chp->cmd_iot,
 				    chp->cmd_ioh, wd_data,
-				    xfer->databuf + xfer->c_skip, len >> 1);
+				    (char *)xfer->databuf + xfer->c_skip,
+				    len >> 1);
 			    xfer->c_skip += len;
 			    xfer->c_bcount -= len;
 			}
@@ -515,11 +519,13 @@ again:
 			if ((chp->wdc->cap & WDC_CAPABILITY_ATAPI_NOSTREAM)) {
 			    bus_space_read_multi_2(chp->cmd_iot,
 			    chp->cmd_ioh, wd_data,
-			    xfer->databuf + xfer->c_skip, xfer->c_bcount >> 1);
+			    (char *)xfer->databuf + xfer->c_skip,
+			    xfer->c_bcount >> 1);
 			} else {
 			    bus_space_read_multi_stream_2(chp->cmd_iot,
 			    chp->cmd_ioh, wd_data,
-			    xfer->databuf + xfer->c_skip, xfer->c_bcount >> 1);
+			    (char *)xfer->databuf + xfer->c_skip,
+			    xfer->c_bcount >> 1);
 			}
 			wdcbit_bucket(chp, len - xfer->c_bcount);
 			xfer->c_skip += xfer->c_bcount;
@@ -529,11 +535,13 @@ again:
 			    if ((chp->wdc->cap & WDC_CAPABILITY_ATAPI_NOSTREAM))
 				bus_space_read_multi_4(chp->data32iot,
 				    chp->data32ioh, 0,
-				    xfer->databuf + xfer->c_skip, len >> 2);
+				    (char *)xfer->databuf + xfer->c_skip,
+				    len >> 2);
 			    else
 				bus_space_read_multi_stream_4(chp->data32iot,
 				    chp->data32ioh, wd_data,
-				    xfer->databuf + xfer->c_skip, len >> 2);
+				    (char *)xfer->databuf + xfer->c_skip,
+				    len >> 2);
 				
 			    xfer->c_skip += len & 0xfffffffc;
 			    xfer->c_bcount -= len & 0xfffffffc;
@@ -543,11 +551,13 @@ again:
 			    if ((chp->wdc->cap & WDC_CAPABILITY_ATAPI_NOSTREAM))
 				bus_space_read_multi_2(chp->cmd_iot,
 				    chp->cmd_ioh, wd_data,
-				    xfer->databuf + xfer->c_skip, len >> 1);
+				    (char *)xfer->databuf + xfer->c_skip, 
+				    len >> 1);
 			    else
 				bus_space_read_multi_stream_2(chp->cmd_iot,
 				    chp->cmd_ioh, wd_data,
-				    xfer->databuf + xfer->c_skip, len >> 1);
+				    (char *)xfer->databuf + xfer->c_skip, 
+				    len >> 1);
 			    xfer->c_skip += len;
 			    xfer->c_bcount -=len;
 			}