A simple telephone book management system written in C language and a management system written in C Language

A simple telephone book management system written in C language and a management system written in C Language

# Include <stdio. h>

# Include <string. h>

# Include <stdlib. h>

Int n = 0;

Struct person

{Char name [20];

Char WP [20];

Char PN [20];

Char MPN [20];

Char FZ [20];

Char EM [20];

Char QQ [20];

};

 

Void fun1 (struct person B [100], int B [100])

{Int I = 0;

Int H;

Do

{Printf ("enter the information of the % d contact \ n", I + 1 );

Printf ("enter your name :");

Scanf ("% s", B [B [I]. name); printf ("\ n ");

Printf ("Enter the work address :");

Scanf ("% s", B [B [I]. WP); printf ("\ n ");

Printf ("enter a landline number :");

Scanf ("% s", B [B [I]. PN); printf ("\ n ");

Printf ("Enter the mobile phone number :");

Scanf ("% s", B [B [I]. MPN); printf ("\ n ");

Printf ("Enter your relationship with me :");

Scanf ("% s", B [B [I]. FZ); printf ("\ n ");

Printf ("Enter your email :");

Scanf ("% s", B [B [I]. EM); printf ("\ n ");

Printf ("Enter the QQ number :");

Scanf ("% s", B [B [I]. QQ); printf ("\ n ");

I ++; n ++;

Printf ("1 continue input; 0 exit \ n ");

Scanf ("% d", & H );

} While (H! = 0 );

Printf ("\ n ");

}

 

Void fun2 (struct person F [100], int h [100])

{Int I = 0, t, k, p, m;

T = n/10;

Printf ("the information of all contacts is as follows: \ n ");

If (t = 0)

{For (I = 0; I <n; I ++)

Printf ("Name: % s \ t Unit: % s \ t landline phone: % s \ t mobile phone: % s \ t category: % s \ t Email: % s \ tQQ: % s \ n ", F [h [I]. name, F [h [I]. WP, F [h [I]. PN, F [h [I]. MPN, F [h [I]. FZ, F [h [I]. EM, F [h [I]. QQ );}

Else

{For (k = 0; k <t; k ++)

{For (I = 0; I <10; I ++)

Printf ("Name: % s \ t Unit: % s \ t landline phone: % s \ t mobile phone: % s \ t category: % s \ t Email: % s \ tQQ: % s \ n ", F [h [10 * k + I]. name, F [h [10 * k + I]. WP, F [h [10 * k + I]. PN, F [h [10 * k + I]. MPN, F [h [10 * k + I]. FZ, F [h [10 * k + I]. EM, F [h [10 * k + I]. QQ );

Printf ("input '1' to display next page \ n ");

Scanf ("% d", & p );

If (p = 1)

System ("cls ");}

M = 10 * t;

For (I = 0; m <n; m ++)

Printf ("Name: % s \ t Unit: % s \ t landline phone: % s \ t mobile phone: % s \ t category: % s \ t Email: % s \ tQQ: % s \ n ", F [h [m]. name, F [h [m]. WP, F [h [m]. PN, F [h [m]. MPN, F [h [m]. FZ, F [h [m]. EM, F [h [m]. QQ );}

}

 

Void fun3 (struct person d [2, 100], int e [2, 100])

{Char x [20], p [2];

Int D, I;

Do {int m = 0;

Printf ("enter the information to be searched: \ n ");

Scanf ("% s", & x );

For (I = 0; I <n; I ++)

If (! Strcmp (d [e [I]. name, x) |! Strcmp (d [e [I]. WP, x) |! Strcmp (d [e [I]. PN, x) |! Strcmp (d [e [I]. MPN, x) |! Strcmp (d [e [I]. FZ, x)

|! Strcmp (d [e [I]. EM, x) |! Strcmp (d [e [I]. QQ, x ))

{D = e [I];

Printf ("the contact information to be queried is as follows: \ n ");

Printf ("Name: % s \ t Unit: % s \ t landline phone: % s \ t mobile phone: % s \ t category: % s \ t Email: % s \ tQQ: % s \ n ", d [D]. name, d [D]. WP, d [D]. PN, d [D]. MPN, d [D]. FZ, d [D]. EM, d [D]. QQ );}

Printf ("Enter Y or y to continue the query, enter N or n to exit \ n ");

Scanf ("% s", & p );

} While (! Strcmp (p, "Y") |! Strcmp (p, "y "));

}

 

Void fun4 (struct person c [100], int k [100])

{Char d [20]; char p [2];

Int t [10], j, I, x;

Do {printf ("Enter the contact information to delete: \ n ");

Scanf ("% s", & d );

For (I = 0; I <n; I ++)

If (! Strcmp (d, c [k [I]. name) |! Strcmp (d, c [k [I]. WP) |! Strcmp (d, c [k [I]. PN) |! Strcmp (d, c [k [I]. MPN) |! Strcmp (d, c [k [I]. FZ) |! Strcmp (d, c [k [I]. EM) |! Strcmp (d, c [k [I]. QQ ))

J = k [I];

For (x = j; x <n; x ++)

K [x] = x + 1;

N --;

Printf ("Enter Y or y to continue, enter N or n to exit \ n ");

Scanf ("% s", & p );

} While (! Strcmp (p, "Y") |! Strcmp (p, "y "));

}

 

Void fun5 (struct person B [100], int B [100])

{Int H;

Do

{Printf ("Enter the contact information \ n ");

Printf ("enter your name :");

Scanf ("% s", B [B [n]. name); printf ("\ n ");

Printf ("Enter the work address :");

Scanf ("% s", B [B [n]. WP); printf ("\ n ");

Printf ("enter a landline number :");

Scanf ("% s", B [B [n]. PN); printf ("\ n ");

Printf ("Enter the mobile phone number :");

Scanf ("% s", B [B [n]. MPN); printf ("\ n ");

Printf ("Enter your relationship with me :");

Scanf ("% s", B [B [n]. FZ); printf ("\ n ");

Printf ("Enter your email :");

Scanf ("% s", B [B [n]. EM); printf ("\ n ");

Printf ("Enter the QQ number :");

Scanf ("% s", B [B [n]. QQ); printf ("\ n ");

N ++;

Printf ("1 continue adding; 0 exit \ n ");

Scanf ("% d", & H );

} While (H! = 0 );

Printf ("\ n ");

}

 

Void fun6 (struct person T [2, 100], int r [2, 100])

{Char p [2], d [20];

Int I, t;

Do

{Printf ("Enter the contact information to modify: \ n ");

Scanf ("% s", & d );

For (I = 0; I <n; I ++)

If (! Strcmp (d, T [r [I]. name) |! Strcmp (d, T [r [I]. WP) |! Strcmp (d, T [r [I]. PN) |! Strcmp (d, T [r [I]. MPN) |! Strcmp (d, T [r [I]. FZ) |! Strcmp (d, T [r [I]. EM) |! Strcmp (d, T [r [I]. QQ ))

{T = r [I];

Printf ("Enter the changed contact information \ n ");

Printf ("enter your name :");

Scanf ("% s", T [t]. name); printf ("\ n ");

Printf ("Enter the work address :");

Scanf ("% s", T [t]. WP); printf ("\ n ");

Printf ("enter a landline number :");

Scanf ("% s", T [t]. PN); printf ("\ n ");

Printf ("Enter the mobile phone number :");

Scanf ("% s", T [t]. MPN); printf ("\ n ");

Printf ("Enter your relationship with me :");

Scanf ("% s", T [t]. FZ); printf ("\ n ");

Printf ("Enter your email :");

Scanf ("% s", T [t]. EM); printf ("\ n ");

Printf ("Enter the QQ number :");

Scanf ("% s", T [t]. QQ); printf ("\ n ");

}

Printf ("Enter Y or y to continue, enter N or n to exit \ n ");

Scanf ("% s", & p );

} While (! Strcmp (p, "Y") |! Strcmp (p, "y "));

}

 

Void main ()

{Struct person a [2, 100];

Int A [100], I, X;

For (I = 0; I <100; I ++)

A [I] = I;

Do

{Printf ********** * ************* \ n ");

Printf ("select the operation \ n ");

Printf ("1: Enter the contact information \ n ");

Printf ("2: display all contact information \ n" on the split screen ");

Printf ("3: Finding contact information \ n ");

Printf ("4: Delete contact information \ n ");

Printf ("5: add contact information \ n ");

Printf ("6: modifying contact information \ n ");

 

Printf ("0: Exit \ n ");

Scanf ("% d", & X );

Switch (X)

{Case 1: fun1 (a, A); break;

Case 2: fun2 (a, A); break;

Case 3: fun3 (a, A); break;

Case 4: fun4 (a, A); break;

Case 5: fun5 (a, A); break;

Case 6: fun6 (a, A); break;

 

}

} While (X! = 0 );

}