Program Record c

7/31/2019 Program Record c

1/35

C Lab 1

Department of Computer Science, Christ University

Program Number : 1

Program Name : Implementation of the various Data Types with

Modifiers and type conversions in C

Date Implemented : July 4, 2012___________________________________________________________________________________

Program to Simulate Subscriber Billing & Account Management System.

/***************************************************************

* Author: Nisha Singh

***************************************************************/

#include #include

int main(){

char name[15];char phonenumber[15];

int billamt,remamt1,remamt2,payment1;float payment2;

printf("**********************************************************************\n")

;printf("Program to Simulate Subscriber Billing & Account Management System\n");

printf("**********************************************************************\n")

;

printf("Please enter subscriber's name, telephone number and total bill amount in INR\n");

scanf("%s%s%d",name,phonenumber,&billamt);

printf("**********************************************************************\n")

;

printf("Subscriber %s with telephone number %s has a total bill amount of INR%d\n",name,phonenumber,billamt);

printf("**********************************************************************\n")

;printf("Please enter first payment for subscriber %s, with telephone number %s, \nfor a total

outstanding bill amount of INR %d\n",name,phonenumber,billamt);

scanf("%d",&payment1);

remamt1 = billamt - payment1;

if ( remamt1 > 0 ){

printf("\nDear %s, you have already made a payment of INR %d for your telephone number

%s for \nyour last outstanding bill amount of INR %d\n",name,payment1,phonenumber,billamt);printf("To continue enjoying our services,please make a second payment of INR %d for

telephone number %s\n",remamt1,phonenumber);

scanf("%f",&payment2);

remamt2 = remamt1 - payment2;printf("\nPayment recieved of INR %f for telephone number %s\n",payment2,phonenumber);

printf("Payment recieved of INR in float is %0.2f\n",payment2);

printf("Payment recieved of INR is rounded to integer is %d\n",(int)payment2);printf("Payment recieved of INR in unsigned long with u specification is %u\n",(unsigned

long)payment2);


2/35

C Lab 2


printf("Payment recieved of INR in float type converted to double with f specification is

%0.2f\n",(double)payment2);printf("Payment recieved of INR in double with g specification is %.3g\n",(double)payment2);

printf("Payment recieved of INR in double with e specification is %.3e\n",(double)payment2);

if ( remamt2 0 )

{printf("Dear %s, your services have been barred for non-payment of complete outstanding bill

amount !!!\n",name);printf("To continue enjoying our services, kindly contact customer care.\n",phonenumber);

}getch();

return (0);

}


3/35

C Lab 3


Output:


4/35

C Lab 4


Program Number : 2

Program Name : Demonstration of nested if and switch case structure

Date Implemented : July 10, 2012___________________________________________________________________________________

Program to enter subscriber details name and age, and perform various operations onit.

/***************************************************************


***************************************************************/

#include

int main(){

char name[16];

int age;int ch;

printf("*****************************************************************************

*********************\n");

printf("Demonstration of nested if and switch case structure \n");

printf("**************************************************************************************************\n");

while(1)

{

printf("\nPress 1 to Enter Subscriber Details : \nPress 2 to Modify Subscriber Details : \nPress 3 to

Search Subscriber Details : \nPress 4 to Delete Subscriber Details : \nPress 5 to exit : " );

scanf("%d",&ch);switch(ch){

case 1:printf("\nThis is Add Subscriber Module using nested if-else,switch and break construct\n");

printf("\nFunctionality of this module is added\n\n");

printf("Enter your name: ");

scanf("%s",&name);printf("Enter your age: ");

scanf("%d",&age);if (age < 21)

printf("You young whippersnapper, %s !\n", name);

else if (age < 40)printf("%s, you're still in your prime !\n", name);

else if (age < 60)printf("You're over the hill, %s !\n", name);

else if (age < 80)

printf("I bow to your wisdom, %s !\n", name);else

printf("Are you really %d , %s ?\n", age, name);break;

case 2:

printf("\nThis is Modify Subscriber Module using while construct\n");

printf("\nCore functionality of this module will be added later\n");printf("Enter your name: ");scanf("%s",&name);

printf("Enter your age: ");


5/35

C Lab 5


scanf("%d",&age);

while (age < 21){

printf("You young whippersnapper, %s !\n", name);break;

}

while (age > 22 && age < 40)

{ printf("%s, you're still in your prime !\n", name);break;

}

while (age > 41 && age < 60){

printf("You're over the hill, %s !\n", name);

break;

}while (age > 61 && age < 80)

{printf("I bow to your wisdom, %s !\n", name);break;

}while (age >= 80)

{printf("Are you really %d , %s ?\n", age, name);

break;

}break;

case 3:printf("\nThis is Search Subscriber Module using do while construct\n");printf("\nCore functionality of this module will be added later\n");

printf("Enter your name: ");scanf("%s",&name);

printf("Enter your age: ");scanf("%d",&age);

do{

printf("You young whippersnapper, %s !\n", name);

break;

}

while (age < 21);do{

printf("%s, you're still in your prime !\n", name);break;

}while (age > 22 && age < 40);

do{

printf("You're over the hill, %s !\n", name);break;

}while (age > 41 && age < 60);do

{

printf("I bow to your wisdom, %s !\n", name);

break;

}while (age > 61 && age < 80);

do{


6/35


7/35

C Lab 7


Output:


8/35

C Lab 8


Program Number : 3

Program Name : Implementation of various control structures.

Date Implemented : July 12, 2012

___________________________________________________________________________

Program to store telecom subscriber name and age and do various operations on it.

/***************************************************************


***************************************************************/

#include

int main(){

char name[16];int age;

int ch;

printf("*****************************************************************************

*********************\n");printf("Demonstration of all control structure(s) [if-else,while,do-while,for,switch and break

statement] \n");

printf("*****************************************************************************

*********************\n");

while(1)

{printf("\nPress 1 to Enter Subscriber Details : \nPress 2 to Modify Subscriber Details : \nPress 3 to

Search Subscriber Details : \nPress 4 to Delete Subscriber Details : \nPress 5 to exit : " );scanf("%d",&ch);

switch(ch)

{

case 1:

printf("\nThis is Add Subscriber Module using nested if-else,switch and break construct\n");printf("\nFunctionality of this module is added\n\n");

printf("Enter your name: ");scanf("%s",&name);printf("Enter your age: ");

scanf("%d",&age);

if (age < 21)

printf("You young whippersnapper, %s !\n", name);else if (age < 40)

printf("%s, you're still in your prime !\n", name);else if (age < 60)

printf("You're over the hill, %s !\n", name);

else if (age < 80)printf("I bow to your wisdom, %s !\n", name);

elseprintf("Are you really %d , %s ?\n", age, name);

break;case 2:

printf("\nThis is Modify Subscriber Module using while construct\n");

printf("\nCore functionality of this module will be added later\n");printf("Enter your name: ");


scanf("%d",&age);


9/35

C Lab 9


while (age < 21)

{printf("You young whippersnapper, %s !\n", name);

break;}

while (age > 22 && age < 40)

{

printf("%s, you're still in your prime !\n", name);break;}

while (age > 41 && age < 60)

{printf("You're over the hill, %s !\n", name);

break;

}

while (age > 61 && age < 80){

printf("I bow to your wisdom, %s !\n", name);break;

}

while (age >= 80){

printf("Are you really %d , %s ?\n", age, name);break;

}

break;case 3:

printf("\nThis is Search Subscriber Module using do while construct\n");printf("\nCore functionality of this module will be added later\n");printf("Enter your name: ");


scanf("%d",&age);do

{printf("You young whippersnapper, %s !\n", name);

break;

}

while (age < 21);

do{

printf("%s, you're still in your prime !\n", name);

break;}

while (age > 22 && age < 40);do

{printf("You're over the hill, %s !\n", name);

break;}

while (age > 41 && age < 60);do{

printf("I bow to your wisdom, %s !\n", name);

break;

}

while (age > 61 && age < 80);do

{printf("Are you really %d , %s ?\n", age, name);


10/35


11/35

C Lab 11


Output:


12/35

C Lab 12


Program Number : 4

Program Name : Implementation of array


___________________________________________________________________________

Program to store customer name and do sum of its 3 unbilled amounts using 1-d array.

/***************************************************************


***************************************************************/

#include

#include

int main(){

char customer[20];int j;

float billamt[3];float sum=0;

float average;

printf("Enter customer's name :\n");

scanf("%s",customer);

printf("Enter last 3 unpaid bill amounts for %s :\n",customer);for(j=0;j


13/35


14/35

C Lab 14


Program Number : 5

Program Name : Implementation of multidimensional arrays.


___________________________________________________________________________

Program for Implementation of two-dimensional array and show telecom circles and

number of subscribers of all operators in that area.

/***************************************************************


***************************************************************/

#include

int validate_number(char []);

int main()

{int i, j;

int mat[2][2];

printf("\nProgram for Implementation of two-dimensional array and show telecom circles\nand number of subscribers of all operators in that area\n");

printf("\nProgram reads through integer table, 2*2 dimensioned which stores total area \nandnumber of subscribers and displays them on screen\n");

printf("\nInput area and number of subscribers for 2 telecom circles/regions :\n");

for (i = 0; i < 2; i++){

if (i+1 == 1)printf("\nRegion %d : %s\n", i+1,"KORAMANGALA");

if (i+1 == 2)printf("\nRegion %d : %s\n", i+1,"INDIRANAGAR");

for (j = 0; j < 2; j++)

{

if (j+1 == 1)

printf("\n%d . Area :\n",j+1);if (j+1 == 2)

printf("\n%d . Number of Subscribers :\n",j+1);

char temp[100];

if(fgets(temp, 100, stdin) != NULL)

{

if (validate_number(temp)){

mat[i][j] = atoi(temp);}

else

{printf("\nERROR !!!\nYou did not enter valid integer value.Exiting ...\n\n");

getch();return 1;

}

}}

}

printf("\n***PRINTING AREA AND NUMBER OF SUBSCRIBER FOR ALL

OPERATORS \nIN 2 DIFFERENT AREAS OF KARNATAKA (BANGALORE)***\n");

for (i = 0; i < 2; i++){

if (i+1 == 1)

printf("\nRegion %d : %s\n", i+1,"KORAMANGALA");


15/35

C Lab 15


if (i+1 == 2)

printf("\nRegion %d : %s\n", i+1,"INDIRANAGAR");for (j = 0; j < 2; j++)

{if (j+1 == 1)

printf("Area : ");

if (j+1 == 2)

{ printf(", ");printf("Number of Subscribers : ");

}

printf("%d", mat[i][j]);}

printf("\n");

}

getch();return 0;

}

int validate_number(char s[])

{int valid = 1,i;

for (i = 0; i < strlen(s) - 1; i++){

if (!isdigit(s[i]))

{valid = 0;

break;}

}

return valid;}


16/35

C Lab 16


Output:


17/35

C Lab 17


Program Number : 6

Program Name : Implementation of functions: call by value, call by

reference, Passing of arrays to functions


___________________________________________________________________________

Program for Implementation of functions: call by value, call by reference, Passing of

arrays to functions on an array of customer call codes stored in memory

/***************************************************************


***************************************************************/

#include

void modify_array( int [], int );void modify_element( int );

int validate_number(char []);int main()

{

int cust_call_code[5], i;printf("\nImplementation of functions : call by value, call by reference, Passing of arrays \nto

functions on an array of customer call codes stored in memory\n\n");

printf("\nEnter 5 customer call codes:\n\n");

for ( i = 0; i


18/35

C Lab 18


printf("\n\n\nEffects of passing array element call "

"by value:\n\nThe value of cust_call_code[3] is %d\n", cust_call_code[3] );modify_element( cust_call_code[3] );

printf("The value of cust_call_code[3] is %d\n", cust_call_code[3] );

getch();

return 0;

}

void modify_array(int cust_call_code[],int size)

{

int k;

for(k = 0; k


19/35

C Lab 19


Output:


20/35

C Lab 20


Program Number : 7

Program Name : Demonstration of recursion


___________________________________________________________________________

Program to convert numeric telecom subscriber billed amount to words for printing in

invoice using recursion.

/***************************************************************


***************************************************************/

#include

#define MAX_LEN 100


void converter(long,char[]);char *one[]={" "," One"," Two"," Three"," Four"," Five"," Six"," Seven","Eight"," Nine"," Ten","

Eleven"," Twelve"," Thirteen"," Fourteen","Fifteen"," Sixteen"," Seventeen"," Eighteen","

Nineteen"};char *ten[]={" "," "," Twenty"," Thirty"," Forty"," Fifty"," Sixty","Seventy"," Eighty"," Ninety"};

int main()

{

printf("\n**********************************************************************************************");

printf("\n\nProgram to convert numeric telecom subscriber billed amount to words for printing ininvoice");

printf("\n***********************************************************************

***********************");

long n;printf("\n\n\t Enter any 9 digit no : ");

char temp[MAX_LEN];if(fgets(temp, MAX_LEN, stdin) != NULL)

{

if (validate_number(temp))

{n = atoi(temp);

}else

{

printf("\nERROR !!!\nYou did not enter valid integer amount. Exiting ...\n\n");getch();

return 1;}

}

if(n


21/35


22/35

C Lab 22


Output:


23/35


24/35

C Lab 24


printf("\nERROR !!!\nYou did not enter valid subscriber last name. Exiting ...\n\n");

getch();return 1;

}}

stringconcat(str1,str2,dest) ;

printf("\nConcantenated full name of subscriber is %s\n",dest);if(stringcompare(str1,str2)){

printf("\nSubscriber first name and last name are SAME");

}else

{

printf("\nSubscriber first name and last name are NOT SAME");

}stringcpy(str1,str2);

printf("\n\nFirst name %s stored in Last name (String 2) => %s",str1,str2);getch();return 0;

}

int stringcompare(char str1[],char str2[]){

int i=0,flag=0;

while(str1[i]!='\0' && str2[i]!='\0'){

if(str1[i]!=str2[i]){flag=1;

break;}

i++;}

if (flag==0 && str1[i]=='\0' && str2[i]=='\0')return 1;

else

return 0;

}

int stringlen(char s[])

{int x;

x=0;while (s[x] != '\0')

{x=x+1;

}x=x-1;

return(x);}

void stringcpy(char s1[],char s2[])

{

int x,len;

len=strlen(s2);for (x=0; x


25/35

C Lab 25


void stringconcat(char s1[],char s2[],char s3[]){

int i=0,j,l;strcpy(s3,s1);

l=strlen(s1);

s3[l++]=' ';

while(s2[i]!= '\0')s3[l++]=s2[i++];s3[l]= '\0';

}

int validate_name(char s[])

{

int valid = 1,i;

for (i = 0; i < strlen(s) - 1; i++){

if (!isalpha(s[i])){

valid = 0;

break;}

}return valid;

}


26/35


27/35

C Lab 27


Program Number : 9

Program Name : Implementation of storage types

Date Implemented : August 4, 2012

___________________________________________________________________________

Program to demo storage classes using customer outstanding amounts

/***************************************************************


***************************************************************/

#include

#define MAXNUM 3#define MAX_LEN 100

void funct1(void);void funct2(void);

int sum_up(void);int validate_number(char []);

/* external variable, scope is global to main(), funct1() and funct2() */int GLOBALVAR = 10;

int main()

{

printf("\n****STORAGE CLASSES AND SCOPE****\n");printf("\n****EXTERN AND AUTO STORAGE****\n");

/* external variable */

GLOBALVAR = 20;

printf("\nVariable GLOBALVAR, in main() = %d\n", GLOBALVAR);funct1();

printf("\nVariable GLOBALVAR, in main() = %d\n", GLOBALVAR);funct2();

printf("\nVariable GLOBALVAR, in main() = %d\n", GLOBALVAR);

/*Static example*/

int count;

printf("\n*****STATIC STORAGE*****\n");printf("Key in %d outstanding amounts of customer to be summed ", MAXNUM);

for(count = 0; count < MAXNUM; count++){

sum_up();

}

printf("\n*****COMPLETED*****\n");

getch();

return 0;}

/* external variable, scope is global to funct1() and funct2() */int GLOBALVAR2 = 30;

void funct1(void)

{/* auto variable, scope local to funct1() and funct1() cannot access the external GLOBALVAR

*/

char GLOBALVAR;

/* local variable to funct1() */GLOBALVAR = 'A';

/* external variable */


28/35

C Lab 28


GLOBALVAR2 = 40;

printf("\nIn funct1(), GLOBALVAR = %c and GLOBALVAR2 = %d\n", GLOBALVAR,

GLOBALVAR2);}

void funct2(void)

{ /* auto variable, scope local to funct2(), and funct2() cannot access the external GLOBALVAR2*/

double GLOBALVAR2;

/* external variable */GLOBALVAR = 50;

/* auto local variable to funct2() */

GLOBALVAR2 = 1.234;

printf("\nIn funct2(), GLOBALVAR = %d and GLOBALVAR2 = %.4f\n", GLOBALVAR,GLOBALVAR2);

}int sum_up(void){

/* at compile time, sum is initialized to 0 */static int sum = 0;

int num;printf("\nEnter bill amount of customer to be summed : ");

char temp[MAX_LEN];

if(fgets(temp, MAX_LEN, stdin) != NULL){

if (validate_number(temp)){

num = atoi(temp);

}else

{printf("\nYou did not enter valid amount rounded to nearest whole number for

customer.Skipping ...\n\n");getch();

return 1;

}

}

sum += num;printf("\nThe current total is: %d\n", sum);return 0;

}

int validate_number(char s[]){

int valid = 1,i;for (i = 0; i < strlen(s) - 1; i++)

{if (!isdigit(s[i]))

{valid = 0;break;

}

}

return valid;

}


29/35

C Lab 29


Output:


30/35

C Lab 30


Program Number : 10

Program Name : Demonstration of pointer operations


___________________________________________________________________________

Program to demonstrate pointer operations on an array of customer call codes.

/***************************************************************


***************************************************************/

#include#define MAX_LEN 10

int validate_number(char []);int main(){

int custcallcode[MAX_LEN];int *ptrArr, *ptrArr1,i;

printf("\nEnter %d customer call codes:\n\n",MAX_LEN);

for ( i = 0; i


31/35

C Lab 31


ptrArr1 = &custcallcode[5];

printf("\n\nSubtraction of two pointers ptrArr1 - ptrArr ( No. of elements between two pointer locations) : %d\n",ptrArr1 - ptrArr);

getch();return 0;

}

int validate_number(char s[]){int valid = 1,i;

for (i = 0; i < strlen(s) - 1; i++)

{if (!isdigit(s[i]))

{

valid = 0;

break;}

}return valid;

}


32/35

C Lab 32


Output:


33/35

C Lab 33


Program Number : 11

Program Name : Demonstration of macro processing


___________________________________________________________________________

Program to demonstrate macro processing using customer name and number and

printing that records by macro.

/***************************************************************


***************************************************************/

#include

#define MAX_LEN 100 /* Single Line Macro*/

/* Multi Line Macro*/

# define getcustomernumber printf("Enter the Subscriber Mobile Number: "); \

if(fgets(temp, MAX_LEN, stdin) != NULL) \{ \

if (validate_number(temp)) \{ \

num = atoi(temp); \

} \else \

{ \printf("\nERROR !!!\nYou did not enter valid integer value.Exiting ...\n\n"); \

getch(); \return 1; \

} \

}

#define getcustomername printf("Enter the Subscriber Name: "); scanf("%s",&name); /* Single LineMacro*/

#define printoutput printf("\nThe Subscriber Record is: "); printf("\t\nSubscriber Name: %s",name);printf("\t\nSubscriber Number: %d",num); /* Single Line Macro*/


int main(){

int num;char name[MAX_LEN];

char temp[MAX_LEN];

getcustomernumber;getcustomername;

printoutput;getch();

return 0;

}

int validate_number(char s[]){

int valid = 1,i;

for (i = 0; i < strlen(s) - 1; i++)

{if (!isdigit(s[i])){

valid = 0;


34/35

C Lab 34


break;

}}

return valid;}


35/35

Date post:	04-Apr-2018
Category:	Documents
Upload:	sumitrai666
View:	221 times
Download:	0 times

Program Record c

Documents