# binary_address_book

binary address book from text manipulation chapter

# Address Book Fields
Things to store
1. First name(s)
2. Last name
3. Street Address
4. City
5. State/Province
6. Post Code
7. Phone Number
8. Extra

There can be any number of extras

# Binary Format

The binary format for the address book starts with a DB Header. Immediately following the DB Header is the first record header. Each record header is followed by the number of field headers indicated by the field count.

## DB Header

1. Magic 0xDB
2. u4 major
3. u4 minor version
4. u16 reserved
3. u32 record count

## Record Header

1. u8 field count
2. u8 length - not including header
3. u16 crc16-arc - not including header

022094A6

## Field
Hex
0100034a6f6e020006fa616e78a656e
```
Field 1 - First Name(s)
Length 3
Jon
Field 2 - Last Name
Length 6
Janzen
```