@@ -106,11 +106,11 @@
 	return (feof(fp) == 0 ? NO : YES);
 }
 
 - (size_t)readNItems: (size_t)nitems
 	      ofSize: (size_t)size
-	  intoBuffer: (uint8_t*)buf
+	  intoBuffer: (char*)buf
 {
 	size_t ret;
 
 	if ((ret = fread(buf, size, nitems, fp)) == 0 && !feof(fp))
 		@throw [OFReadFailedException newWithClass: [self class]
@@ -119,20 +119,20 @@
 
 	return ret;
 }
 
 - (size_t)readNBytes: (size_t)size
-	  intoBuffer: (uint8_t*)buf
+	  intoBuffer: (char*)buf
 {
 	return [self readNItems: size
 			 ofSize: 1
 		     intoBuffer: buf];
 }
 
 - (size_t)writeNItems: (size_t)nitems
 	       ofSize: (size_t)size
-	   fromBuffer: (const uint8_t*)buf
+	   fromBuffer: (const char*)buf
 {
 	size_t ret;
 
 	if ((ret = fwrite(buf, size, nitems, fp)) == 0 &&
 	    size != 0 && nitems != 0)
@@ -142,11 +142,11 @@
 
 	return ret;
 }
 
 - (size_t)writeNBytes: (size_t)size
-	   fromBuffer: (const uint8_t*)buf
+	   fromBuffer: (const char*)buf
 {
 	return [self writeNItems: size
 			  ofSize: 1
 		      fromBuffer: buf];
 }
@@ -153,11 +153,11 @@
 
 - (size_t)writeCString: (const char*)str
 {
 	return [self writeNItems: strlen(str)
 			  ofSize: 1
-		      fromBuffer: (const uint8_t*)str];
+		      fromBuffer: str];
 }
 
 - close
 {
 	fclose(fp);