/*----------------------------------------------------------------------------------------------------*/
int userinter()
/**/
/*Inputs: takes in the numerical input which is used to select which program function is needed.*/
/*Outputs: the same as input integer so i can = 0 or > 0 if its zero program closes loop and exits program*/
/*Comments: request an integer so 1 = send function 2 = view function 0 = exit*/
/*----------------------------------------------------------------------------------------------------*/

/*------------------------------------------------*/
void Receive(void)
/**/
/* Inputs: Receives emailed responses*/
/* Outputs: Once all new emails read, function returns to UI*/
/* Comments: If new email response has been received, passes information to ResponseToFile().
/*------------------------------------------------*/

/*....................................................................*/
int View responses():
/**/
/* input: User's decision.*/
/* output: Displays all, yes or no.*/
/* comments: User chooses to view responses 0,1 or 2. 0 for all, 1 for yes and 2 for no.*/
/*.....................................................................*/

/*------------------------------------------------------------------------------------------------------------*/
int Name();
/**/
/*Inputs: User will key in name and address by hitting keyboard.*/
/*Outputs: The name will be displayed.*/
/*Comments: First Input part done.*/
/*-----------------------------------------------------------------------------------------------------------*/

/*------------------------------------------------------------------------------------------------------------*/
int Valid(char[], char[]);
/**/
/*Inputs: Receive first and second inputs.*/
/*Outputs: Valid or invalid will be returned*/
/*Comments: If name and email address are valid and are not already present in the file, valid is returned. Otherwise invalid is returned.*/
/*------------------------------------------------------------------------------------------------------------*/

/*-----------------------------------------------------------------------------------------------------------*/
int Send();
/**/
/*Inputs: The valid email address that had been matched in memory. */
/*Outputs: Invitation will be sent to the email address. */
/*Comments: Only valid data will be read and will be sent to email address. */
/*------------------------------------------------------------------------------------------------------------*/

/*---------------------------------------------------------------------------------------------------------*/
void Write(char[], char[]);
/**/
/*Inputs: Valid name and email */
/*Outputs: None*/
/*Comments: Writes name and email address to file. Sets status integer to 0 (no answer received)*/
/*---------------------------------------------------------------------------------------------------------*/

/*---------------------------------------------------------------------------------------------------------*/
void ResponseToFile(char[], int);
/**/
/*Inputs: Name and response of guest
/*Outputs: None*/
/*Comments: Finds name in file and sets status number to 1 or 2 based on whether person is attending or not. Called by Receive function.
/*---------------------------------------------------------------------------------------------------------*/