C Language Realization ATM machine

#include <stdio.h>

#include <stdlib.h>

void Chaxun (A3)

{

int b;

b = A3;

printf ("Your Balance:%d\n", b);

}

int Qukuan (int a3)

{

int a=0, b=0;

printf ("Please enter the amount to be taken: \ n");

scanf ("%d", &a);

b = a3-a;

if (b < 0)

{

printf ("Your balance is not sufficient \ n");

}

Else

{

printf ("Please take your%d dollar cash \ n", a);

A3 = A3-a;

}

return A3;

}

int Gaimi (int A2)

{

int B, d, C = 1, E = 1;

while (e)

{

printf ("Please enter your original password \ n");

scanf ("%d", &d);

if (a2 = = d)

{

e = 0;

}

Else

{

e = 1;

printf ("Password is wrong, please re-enter \ n");

}

}

while (c)

{

printf ("Please enter your new password \ n");

scanf ("%d", &A2);

printf ("Please confirm your new password \ n");

scanf ("%d", &b);

if (a2 = = b)

{

printf ("Password modification succeeded \ n");

c = 0;

}

Else

{

c = 1;

printf ("The two inputs are inconsistent, please re-modify \ n");

}

}

return A2;

}

void Quka ()

{

printf ("Please accept your card \ n");

printf ("Thank you, goodbye \ n");

}

int Cunkuan (int a3)

{

int k = 0;

printf ("Please enter the amount you want to deposit \ n");

scanf ("%d", &k);

A3 = A3 + K;

printf ("Your total amount is%d\n", A3);

return A3;

}

int main ()

{

int B = 1, C, K, l, q = 1;

int a1 = 123456, a2 = 123456, a3 = 1000;

printf ("Welcome to ATM machine \ n");

while (q)

{

printf ("Please enter your account \ n");

scanf ("%d", &k);

printf ("Please enter password \ n");

scanf ("%d", &l);

if (A1 = = K&&a2 = = L)

{

printf ("Your account balance is%d", A3);

q = 0;

}

Else

{

printf ("Your password is wrong, please re-enter \ n");

Q = 1;

}

}

do{

printf ("Please select \ n");

printf ("1 query \ n");

printf ("2 withdrawals \ n");

printf ("3 Change password \ n");

printf ("4 fetch card \ n");

printf ("5 deposit \ n");

scanf ("%d", &c);

Switch (c)

{

Case 1:

Chaxun (A3);

Break

Case 2:

A3 = Qukuan (A3);

Break

Case 3:

A2 = Gaimi (A2);

Break

Case 4:

Quka ();

Break

Case 5:

Cunkuan (A3);

Break

Default

Break

}

} while (c! = 4);

Return

}

C Language Realization ATM machine