typedef struct data_block{
  uint32_t numBlock;
  uint32_t num_next_block;
  int8_t data[504];
}data_block_t;

typedef struct indirect_block{
  uint32_t numBlock;
  //uint32_t num_next_block;
  uint32_t blocks[126];
}indirect_block_t;


typedef struct superblock{  //2o bytes
  uint32_t num_total_blocks;
  uint32_t num_inodes;
  uint32_t num_free_blocks;
  uint32_t firs_inode;
  uint32_t first_block_free;
  //uint32_t num_inodes;
  uint32_t last_indirect_block;
  int8_t magicNumber; //tipo de sistema de archivo
  int8_t flagFormat;  //bandera para saber si esta formateado o no, //0 si no lo esta 1 si lo esta
  int8_t data[485];
}superblock_t;

typedef struct inode{
  int8_t filename[NAME_MAX]; //uint32_t size = 64;   //en bytes
  uint32_t file_descriptor;
  uint32_t block;       //un apuntador a bloque

}inode_t;

typedef union block{
  superblock_t sb;
  data_block_t data;
  indirect_block_t ib;
  inode_t inode;
}block_t;