--- a/libhfsp/src/btree.c
+++ b/libhfsp/src/btree.c
@@ -393,7 +393,7 @@ static int btree_init(btree* bt, volume*
 	{
 	    p = volume_readfromfork(vol, nodebuf, fork, 0, bt->blkpernode,
 		 HFSP_EXTENT_DATA, bt->cnid);
-	    ((char*) p) += HEADER_RESERVEDOFFSET; // skip header
+	    p += HEADER_RESERVEDOFFSET; // skip header
 	}
 	
 	bt->alloc_bits = malloc(alloc_size);
--- a/libhfsp/src/swab.h
+++ b/libhfsp/src/swab.h
@@ -36,28 +36,28 @@
 
 #define bswabU16(val) bswap_16(val)
 
-#define bswabU16_inc(ptr) bswap_16(*((UInt16*) (ptr))++)
-#define bswabU32_inc(ptr) bswap_32(*((UInt32*) (ptr))++)
-#define bswabU64_inc(ptr) bswap_64(*((UInt64*) (ptr))++)
-
-#define bstoreU16_inc(ptr, val) (*((UInt16*) (ptr))++) = bswap_16(val)
-#define bstoreU32_inc(ptr, val) (*((UInt32*) (ptr))++) = bswap_32(val)
-#define bstoreU64_inc(ptr, val) (*((UInt64*) (ptr))++) = bswap_64(val)
+#define bswabU16_inc(ptr) bswap_16(*(*((UInt16**) (void *)(&ptr)))++)
+#define bswabU32_inc(ptr) bswap_32(*(*((UInt32**) (void *)(&ptr)))++)
+#define bswabU64_inc(ptr) bswap_64(*(*((UInt64**) (void *)(&ptr)))++)
+
+#define bstoreU16_inc(ptr, val) (*(*((UInt16**) (void *)(&ptr)))++) = bswap_16(val)
+#define bstoreU32_inc(ptr, val) (*(*((UInt32**) (void *)(&ptr)))++) = bswap_32(val)
+#define bstoreU64_inc(ptr, val) (*(*((UInt64**) (void *)(&ptr)))++) = bswap_64(val)
 
 #else // BYTE_ORDER == BIG_ENDIAN
 
 #define bswabU16(val) val
 
-#define bswabU16_inc(ptr) (*((UInt16*) (ptr))++)
-#define bswabU32_inc(ptr) (*((UInt32*) (ptr))++)
-#define bswabU64_inc(ptr) (*((UInt64*) (ptr))++)
-
-#define bstoreU16_inc(ptr, val) (*((UInt16*) (ptr))++) = val
-#define bstoreU32_inc(ptr, val) (*((UInt32*) (ptr))++) = val
-#define bstoreU64_inc(ptr, val) (*((UInt64*) (ptr))++) = val
+#define bswabU16_inc(ptr) (*(*((UInt16**) (void *)(&ptr)))++)
+#define bswabU32_inc(ptr) (*(*((UInt32**) (void *)(&ptr)))++)
+#define bswabU64_inc(ptr) (*(*((UInt64**) (void *)(&ptr)))++)
+
+#define bstoreU16_inc(ptr, val) (*(*((UInt16**) (void *)(&ptr)))++) = val
+#define bstoreU32_inc(ptr, val) (*(*((UInt32**) (void *)(&ptr)))++) = val
+#define bstoreU64_inc(ptr, val) (*(*((UInt64**) (void *)(&ptr)))++) = val
 
 #endif
 
 /* for the sake of compleetness and readability */
-#define bswabU8_inc(ptr)	(*((UInt8*) (ptr))++)
-#define bstoreU8_inc(ptr,val)	(*((UInt8*) (ptr))++) = val
+#define bswabU8_inc(ptr)	(*(*((UInt8**) (void *)(&ptr)))++)
+#define bstoreU8_inc(ptr,val)	(*(*((UInt8**) (void *)(&ptr)))++) = val
--- a/libhfsp/src/btreecheck.c
+++ b/libhfsp/src/btreecheck.c
@@ -264,7 +264,7 @@ static int fscheck_btree_init(btree* bt,
 	{
 	    p = volume_readfromfork(vol, nodebuf, fork, 0, bt->blkpernode,
 		 HFSP_EXTENT_DATA, bt->cnid);
-	    ((char*) p) += HEADER_RESERVEDOFFSET; // skip header
+	    p += HEADER_RESERVEDOFFSET; // skip header
 	}
 	
 	bt->alloc_bits = malloc(alloc_size);
--- a/libhfsp/src/fscheck.c
+++ b/libhfsp/src/fscheck.c
@@ -230,7 +230,7 @@ static int fscheck_volume_readbuf(volume
     vh->write_count	= bswabU32_inc(p);
     vh->encodings_bmp	= bswabU64_inc(p);
     memcpy(vh->finder_info, p, 32); 
-    ((char*) p) += 32; // So finderinfo must be swapped later, ***
+    p += 32; // So finderinfo must be swapped later, ***
     p = volume_readfork(p, &vh->alloc_file );
     p = volume_readfork(p, &vh->ext_file   );
     p = volume_readfork(p, &vh->cat_file   );
@@ -277,12 +277,12 @@ static int fscheck_read_wrapper(volume *
 	    printf("Volume is wrapped in HFS volume "
 		   " (use hfsck to check this)\n");
 
-	((char*) p) += 0x12;		/* skip unneded HFS vol fields */
+	p += 0x12;		/* skip unneded HFS vol fields */
 	drAlBlkSiz = bswabU32_inc(p);	/* offset 0x14 */
-	((char*) p) += 0x4;		/* skip unneded HFS vol fields */
+	p += 0x4;		/* skip unneded HFS vol fields */
 	drAlBlSt    = bswabU16_inc(p);	/* offset 0x1C */
 	
-	((char*) p) += 0x5E;		/* skip unneded HFS vol fields */
+	p += 0x5E;		/* skip unneded HFS vol fields */
 	signature = bswabU16_inc(p);	/* offset 0x7C, drEmbedSigWord */
 	if (signature != HFSP_VOLHEAD_SIG)
 	    HFSP_ERROR(-1, "This looks like a normal HFS volume");
--- a/libhfsp/src/volume.c
+++ b/libhfsp/src/volume.c
@@ -345,7 +345,7 @@ static int volume_readbuf(hfsp_vh* vh, v
     vh->write_count	= bswabU32_inc(p);
     vh->encodings_bmp	= bswabU64_inc(p);
     memcpy(vh->finder_info, p, 32); 
-    ((char*) p) += 32; // finderinfo is not used by now
+    p += 32; // finderinfo is not used by now
     p = volume_readfork(p, &vh->alloc_file );
     p = volume_readfork(p, &vh->ext_file   );
     p = volume_readfork(p, &vh->cat_file   );
@@ -381,7 +381,7 @@ static int volume_writebuf(hfsp_vh* vh, 
     bstoreU32_inc(p, vh->write_count	);
     bstoreU64_inc(p, vh->encodings_bmp	);
     memcpy(p, vh->finder_info, 32); 
-    ((char*) p) += 32; // finderinfo is not used by now
+    p += 32; // finderinfo is not used by now
     p = volume_writefork(p, &vh->alloc_file );
     p = volume_writefork(p, &vh->ext_file   );
     p = volume_writefork(p, &vh->cat_file   );
@@ -417,12 +417,12 @@ static int volume_read_wrapper(volume * 
   
 	UInt16	embeds, embedl;		/* Start/lenght of embedded area in blocks */
 	
-	((char*) p) += 0x12;		/* skip unneeded HFS vol fields */
+	p += 0x12;		/* skip unneeded HFS vol fields */
 	drAlBlkSiz = bswabU32_inc(p);	/* offset 0x14 */
-	((char*) p) += 0x4;		/* skip unneeded HFS vol fields */
+	p += 0x4;		/* skip unneeded HFS vol fields */
 	drAlBlSt    = bswabU16_inc(p);	/* offset 0x1C */
 	
-	((char*) p) += 0x5E;		/* skip unneeded HFS vol fields */
+	p += 0x5E;		/* skip unneeded HFS vol fields */
 	signature = bswabU16_inc(p);	/* offset 0x7C, drEmbedSigWord */
 	if (signature != HFSP_VOLHEAD_SIG)
 	    HFSP_ERROR(-1, "This looks like a normal HFS volume");