Many files:
  block.c (ext2fs_block_iterate2): Use retval which is a errcode_t type.
  bitmaps.c (make_bitmap): Use size_t instead of int where appropriate.
  bb_inode.c (set_bad_block_proc): Add #pragma argsused for Turbo C.
  alloc.c (ext2fs_new_inode): Use ino_t instead of int for the group number.
  get_pathname.c: Use ino_t instead of int where appropriate.
  ext2fs.h: Make the magic structure element be errcode_t instead of int.
  alloc.c alloc_tables.c badblocks.c bb_compat.c bb_inode.c
  	bitmaps.c block.c bmove.c brel_ma.c check_desc.c closefs.c
  	cmp_bitmaps.c dblist.c dblist_dir.c dir_iterate.c dirblock.c
  	dupfs.c expanddir.c freefs.c get_pathname.c icount.c
  	initialize.c inline.c inode.c irel_ma.c link.c llseek.c
  	lookup.c mkdir.c namei.c newdir.c read_bb.c read_bb_file.c
  	rs_bitmap.c rw_bitmaps.c swapfs.c test_io.c tst_badblocks.c
  	tst_iscan.c unix_io.c unlink.c valid_blk.c version.c: Add an
  	#ifdef for HAVE_UNISTD_H

diff --git a/lib/ext2fs/bb_inode.c b/lib/ext2fs/bb_inode.c
index a5dd3a9..7a9609c 100644
--- a/lib/ext2fs/bb_inode.c
+++ b/lib/ext2fs/bb_inode.c
@@ -15,7 +15,9 @@
 
 #include <stdio.h>
 #include <string.h>
+#if HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #include <stdlib.h>
 #include <fcntl.h>
 #include <time.h>
@@ -154,6 +156,9 @@
  * Clear the bad blocks in the bad block inode, while saving the
  * indirect blocks.
  */
+#ifdef __TURBOC__
+#pragma argsused
+#endif
 static int clear_bad_block_proc(ext2_filsys fs, blk_t *block_nr, int blockcnt,
 				blk_t ref_block, int ref_offset, void *private)
 {
@@ -207,6 +212,9 @@
  *
  * Set the block list in the bad block inode, using the supplied bitmap.
  */
+#ifdef __TURBOC__
+#pragma argsused
+#endif
 static int set_bad_block_proc(ext2_filsys fs, blk_t *block_nr,
 			      int blockcnt, blk_t ref_block, 
 			      int ref_offset, void *private)