/*
 * filew5.c
 */
#include <stdio.h>

int getans(void);

int main(void)
{
  FILE * fp; // declare file pointer:fp
  char payee[36], desc[51], month[16], year[5]; // declare char arrays
  int checkno, date;
  float amount;
  char accountname[15];


  printf("Enter the name of checking account record: "); // prompt for input
  scanf("%s", accountname); // read from stdin
                            // interpret as string
                            // assign to elements of array addressbook

  getchar(); // clear input buffer                          

  if( (fp=fopen(accountname,"a")) == NULL ) // open file file for append 
                                            // assign file handle address to fp
                                            // if address is NULL, do block 
  {
    printf("Can't open file %s.\n", accountname); // print error
    return 1; // return 1 to calling program
  }
 
  do  // do block , then run evalueation after first run
  {
    printf("Payee Name: ");  // prompt for input
    fgets(payee,36,stdin);   // read max of 36 chars from stdin,
                             // assign to array payee
    
    printf("Check Number: "); // prompt for input
    scanf(" %s", &checkno);   // read string, assign to int checkno
    getchar(); // clear input buffer

    printf("Month: ");   // prompt for input
    scanf(" %s", month); // read string, assign to arrya month 
    getchar(); // clear input buffer

    printf("Day of Month: ");  // prompt for input
    scanf(" %d", &date);       // read digit, assign to int date
    getchar(); // clear input buffer
    
    printf("Year: ");   // prompt for input
    scanf(" %s", year); // read string, assign to array year
    getchar(); // clear input buffer

    printf("Amount of the check: ");  // prompt for input
    scanf(" %d", &amount ); // read digit, assign to int amount
    
    getchar(); // clear input buffer

    // printing to file handle pointed to by fp
    fprintf( fp, "\nPayee Name: %s", payee); // 
    fprintf( fp, "Date: %s %d, %s\n", month, date, year); //
    fprintf( fp, "Check Number: %d\n", checkno); //
    fprintf( fp, "Amount: %.2f\n", amount ); //
    fprintf( fp, "Description: %s\n", desc);  //

    printf("Do you wish to add information for another check? (y/n): ");
  }
  while( getans() ); 

  fclose(fp);

  printf("The file %s written and closed.\n", accountname);

  return 0;
}
//// Functions
int getans(void) // header: takes nothing, returns int
{
  char cc;
  if( (cc=getchar()) == 'y' ) // read from stdin, assign to cc
                              // if cc == 'y', do block
  {
    getchar(); // clear input buffer
    return 1; // they want to enter more people
  }
  else
  {
    return 0;  // they don't want to enter more people 
  }
}