/*---------------------------------------------*/

typedef struct(
/* Personal details */
char FirstName[]
char LastName[]
char Address[]
char EMail[]
int Phone[]

int UID // Unique User ID
int Attending // 0 = Not Attending, 1 = Attending, 2 = Attending Late
int Food // 0 = Normal, 1 = Veggie, 2 = Vegan, 3 = kosher, 4 = halal, 5 = lactose intolerant, 6 = no gluten, 7 = no nuts
boolean Plusone // yes/no
)

/*---------------------------------------------*/

void Registration()
{
Inputs: Pointers to FirstName, LastName, Address, EMail, Phone.

Outputs: copies data to Struct and adds a UID.

Comments: Enters the recipients details onto the database/system.
  Also generates a UID for each recipient.
}

/*---------------------------------------------*/

void PrintInvites()
{
Inputs: Pointers to FirstName, LastName, Address, UID.

Output: Printed invite with above details on them.

Comment: Prints an invite and also asks about food choices
}

/*---------------------------------------------*/

void Response()
{
Input: UID, Attending, Food,plusone,request1, request2, request3.

Output: Copies data to Struct.

Comment: Using the UID to identify each person, their
response is recorded on the system.
}

/*---------------------------------------------*/

int CountAttend()
{
Input: Pointer to UID and Attending.

Ouput: Number of attendees Attending dinner
              and Number people attending late.

Comment: Counts number of people who have responded.
}

/*---------------------------------------------*/

char PrintAttendee()
{
Input: Pointer to UID, FirstName, LastName, Attending,plusone.

Output: Prints name of attendee.

Comment: Prints a name list for the door.
}

/*---------------------------------------------*/

int FoodChoice()
{
Input: Pointer to Attending, UID, Food, plusone.

Output: Pointer to List.

Comment: Creates a list of people with food restrictions
for catering staff.
}

/*---------------------------------------------*/

typedef struct()
{ /**food**/
int food id
char food name}

/*---------------------------------------------*/

typedef struct()
{/**Attending**/
int Attending id
char Attending label
}

/*---------------------------------------------*/
typedef struct()
{/**request**/
int UID
char request1
char request2
char request3
}
/*---------------------------------------------*/

int Reminder()
{
Input: Pointer to Attending, UID, FirstName, LastName, EMail, Phone.

Output: Emails and SMS messages

Comment: Creates personalised EMails and texts for each attendee and then sends them.
}

/*---------------------------------------------*/