#include
#include
#include
Typedef struct
{
CHAR Name [31];
CHAR Add [51];
Long tel;
} consumer_det;
Void Sort (Consumer_Det * SCR, INT Y)
{
File * fp;
INT I, J, K, X;
Consumer_det temp [30];
IF ((fp = fopen ("telefon.dat", "rb")) == NULL)
{
Printf ("Cannot Open this file!");
exit (0);
}
For (i = 0;! feof (fp); i )
{
Fread (& Temp [I], SIZEOF (Consumer_Det), 1, FP);
IF (Feof (fp))
{
IF (y == 0) x = i 1;
IF (y == 1) x = I-1;
Break;
}
IF (y == 0)
IF (! STRCMP (Temp [i] .name, (* SCR) .Name) &&! strcmp (Temp [i] .add, (* SCR) .dd) && temp [i] .tel == (* SCR) .tel)
{
Printf ("/ N / TTHIS Consumer Already Existed! / N");
Return;
}
}
Fclose (fp);
IF ((fp = fopen ("telefon.dat", "wb")) == null)
{
Printf ("Cannot Open this file!");
exit (0);
}
IF (y == 0) // Insert record
{
For (k = i; strcmp (Temp [k] .name, (* SCR) .Name))> = 0 && k> = 0; K -)
{
Temp [K 1] = Temp [K];
}
Temp [K 1] = (* SCR);
}
IF (y == 1) // Delete record
{
For (k = 0; k <= i; k )
{
IF ((strcmp (Temp [k] .name, (* SCR) .Name))> = 0)
Temp [K] = Temp [K 1];
}
}
For (j = 0; J
FWRITE (& Temp [J], SIZEOF (Consumer_Det), 1, FP);
Fclose (fp);
}
Void input ()
{
INT flag = 'y';
Consumer_det DET;
While (flag == 'y' || flag == 'y')
{
SYSTEM ("CLS");
Printf ("/ t / tadd new subscriber Details);
DO
{
Printf ("/ N / NENTER SUBSCRIBER NAME (Upte 30 Chars):");
Fflush (stdin);
Scanf ("% s", DET.NAME);
IF (Strlen (DET.NAME)> 30)
Printf ("/ N / Tsubscriber Name Must Upte 30 Chars");
} while (strlen)> 30);
DO
{
Printf ("/ N / NENTER SUBSCRIBER ADDRESS (Upte 50 Chars):"); FFLUSH (stdin);
Scanf ("% s", DET.ADD);
IF (Strlen (DET.ADD)> 50)
Printf ("/ N / Tsubscriber Address Must Upte 50 Chars");
} while (strlen (DET.ADD)> 50);
DO
{
Printf ("/ N / NENTER SUBSCRIBER NUMBER:");
Fflush (stdin);
Scanf ("% ld", & det.tel;
IF (DET.TEL <4000000 || DET.TEL> 4999999)
Printf ("/ N / Tsubscriber Telephone Number Must Be Between 4000000 and 4999999);
WHILE (DET.TEL <4000000 || DET.TEL> 499999);
Sort (& DET, 0);
Printf ("/ n / ncontinue? (y / n)");
Fflush (stdin);
Scanf ("% C", & flag);
}
}
Void DisplayAll (Char SCR, INT X)
{
File * fp;
INT i, FLAG = 1, PointAdd1, PointAdd2;
Consumer_det temp;
Long Temp_tel;
CHAR TEMP_NAME [31];
IF ((fp = fopen ("telefon.dat", "rb")) == NULL)
{
Printf ("Cannot Open this file!");
exit (0);
}
SYSTEM ("CLS");
IF (SCR == 'T')
{
DO
{
Printf ("/ N / NENTER SUBSCRIBER NUMBER:");
Fflush (stdin);
Scanf ("% ld", & temp_tel);
IF (Temp_tel <4000000 || TEMP_TEL> 4999999)
Printf ("/ N / Tsubscriber Telephone Number Must Be Between 4000000 and 4999999);
WHILE (TEMP_TEL <4000000 || TEMP_TEL> 499999);
}
IF (SCR == 'N')
{
DO
{
Printf ("/ N / NENTER SUBSCRIBER NAME (Upte 30 Chars):");
Fflush (stdin);
Scanf ("% s", temp_name);
IF (Strlen (Temp_name)> 30)
Printf ("/ N / Tsubscriber Name Must Upte 30 Chars");
} while (strlen (TEMP_NAME)> 30);
}
SYSTEM ("CLS");
IF (SCR == 'a')
{
Printf ("/ N / TCONSUMER TOTOAL:");
Printf ("/ n / nNumber / T / TNAME / T / TADDRESS / T / T / TTELEPHONE / TFILEADD / N");
}
For (i = 0;! FeOf (fp); i ) {
FSeek (FP, I * Sizeof (consumer_det), 0);
Fread (& Temp, Sizeof (consumer_det), 1, fp);
PointAdd1 = FTELL (FP);
IF (PointAdd1 == POINTADD2)
Break;
IF (Temp.Tel> 4999999 || Temp.Tel <4000000)
Break;
IF (SCR == 'T')
{
IF (Temp_tel == Temp.tel)
{
Printf ("/ N / Trequested subscriber Details / N / NName:% S / NADDRESS:% S / NTELEPHONE NUMBER:% D / N", TEMP.NAME, TEMP.ADD, TEMP.TEL);
FLAG = 0;
}
}
IF (SCR == 'N')
{
IF (! strcmp (temp_name, temp.name))
{
Printf ("/ N / Trequested subscriber Details / N / NName:% S / NADDRESS:% S / NTELEPHONE NUMBER:% D / N", TEMP.NAME, TEMP.ADD, TEMP.TEL);
FLAG = 0;
IF (x == 1)
Sort (& TEMP, 1);
IF (x == 2)
{
Fflush (stdin);
GetChar ();
Sort (& TEMP, 1);
INPUT ();
}
}
}
IF (SCR == 'a')
{
Printf ("/ nRecord% -10D% -16S% -24S% -16LD% -d", i 1, temp.name, temp.add, temp.tel, ftell (fp));
FLAG = 0;
}
PointAdd2 = FTELL (FP);
}
IF (Flag)
{
Printf ("/ N / T / TTHE Record Is Not Exist!");
}
Fflush (stdin);
GetChar ();
Fclose (fp);
}
void main ()
{
INT Choice, FLAG = 1;
While (flag)
{
SYSTEM ("CLS");
printf ( "S19305 / nTELEPHONE DIRECTORY SYSTEM / n / n / t1. Add new subscriber details / n / t2. Modify existing subscriber details / n / t3. Delete existing subscriber details / n / t4. Display subscriber details based on telephone number / N / T5. Display Subscriber Details Based On Subscriber Name / N / T6. View Directory / N / T7. Quit / N / NENTER CHOICE: ");
Scanf ("% d", & choice);
IF (choice == 1)
INPUT ();
IF (choice == 2)
DisplayAll ('n', 2);
IF (choice == 3)
DisplayAll ('n', 1);
IF (choice == 4)
DisplayAll ('T', 0);
IF (choice == 5) DisplayAll ('n', 0);
IF (choice == 6)
DisplayAll ('a', 0);
IF (choice == 7)
exit (0);
IF (Choice> 7 || CHOICE <1)
{
Printf ("Error: please type.");
Fflush (stdin);
GetChar ();
}
}
}
