TODO

Pseudo-code

o goto_blk
o read_blk/write_blk
o read_super/write_super
o read_imap/write_imap
o read_zmap/write_imap
* read_dir_blk/write_dir_blk
* read_file_blk/write_file_blk
* extend_file
* make_node
* find_file
* new_fs
* open_fs

#define minix_enc_dev(maj,min) (((maj)<<8)|(min))

CHAR/BLK majr/minr modes in i_zone[0]


mkfs -> # inodes = 1/3 blocks.  Or requested by user.
Max inodes = 64K

mkfs
dir
stat
read


chmod
chgrp
chown
mknod
mkpipe
cp
rm
mkdir
rmdir
mv
write
genfs



  {
    int i,j;
    for (i=0;i< ZMAPS(fs)*BLOCK_SIZE;i+= 16) {
      for (j=0;j<16 && j < ZMAPS(fs)*BLOCK_SIZE;j++) {
        printf(" %02x",fs->zone_bmap[i+j]);
      }
      printf("\n");
    }
  }

  for (i = 0; 

  parse_mkfs(argc,argv,&magic,&req_blks,&req_inos);
  {
    int i;
    for (i=optind;i<argc;i++) {
      printf("%3d) %s\n",i,argv[i]);
    }
  }
  fs = new_fs(filename,magic,req_blks,req_inos);