Many files:

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