C Programming Examples

Bubble Sort in C

C Array Programs, C Programming Examples / By Lokesh Kumar

Bubble Sort Here, You will learn Bubble sort Algorithm and get the program code of Bubble Sort in C programming. Bubble sort is a sorting algorithm concept from the Data […]

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C program to find Roots of Quadratic Equation

C Programming Examples / By Lokesh Kumar

Find Roots of Quadratic Equation Here, you will know about the roots of quadratic equation ,and get the example code of c program to find roots of quadratic equation using

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Simple Calculator program in C

C Programming Examples / By Lokesh Kumar

Simple Calculator program in C Here, you will get a simple calculator program in c programming language. This program will perform basic mathematical operations like addition, subtraction, multiplication, and division

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Find Odd or Even Program in C

C Programming Examples / By Lokesh Kumar

Find Odd or Even Program in C Here, you will get an example code to find odd or even program in c programming. First, we will take a number as

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getchar and putchar in c

C Programming Examples / By Lokesh Kumar

getchar and putchar in C Here, you will get a program code to use the predefined functions getchar and putchar in C programming. In this program we will reads a

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Payroll Data Entry using File handling in C

C Programming Examples / By Lokesh Kumar

Payroll Data Entry using file handling in c Here you will get a source code of Payroll Data Entry using File handling in C example with c language. File Handling

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Employee Record System in C using File Handling

C Programming Examples / By Lokesh Kumar

Employee Record System in C Here you will get the program code of Employee Record System in C using File Handling. Employee Record System in C using File Handling

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#include<stdlib.h>

#include<conio.h>

#include<stdio.h>

#include<string.h>

main()

{

FILE *fp,*ft;

char another,choice;

struct emp

{

char name[40];

int age;

float bs;

};

struct emp e;

char empname[40];

long int recsize;

clrscr();

fp=fopen("EMP.DAT","rb+");

if ( fp== NULL)

{

fp= fopen("EMP.DAT ","wb+");

if (fp==NULL)

{

puts("\nCannot open file");

exit(1);

}

recsize= sizeof(e);

while(1)

{

gotoxy(10,10);

printf("1. Add Records");

gotoxy(10,12);

printf("2. Display Records");

gotoxy(10,14);

printf("3. Modify Records");

gotoxy(10,16);

printf("4. Delete Records");

gotoxy(10,18);

printf(" 0. Exit");

gotoxy(10,20);

printf("Your choice");

fflush(stdin);

choice=getche();

switch(choice)

{

case'1':

clrscr();

fseek(fp,0,SEEK_END);

another='Y';

while(another=='Y')

{

printf("\n Enter name, age and basic sal");

scanf("%s%d%f",e.name,&e.age,&e.bs);

fwrite(&e,recsize,1,fp);

printf("\n Add another record(Y/N)");

fflush(stdin);

another= getche();

}

break;

case'2':

clrscr();

rewind(fp);

while( fread(&e,recsize,1,fp)==1)

printf("\n%s %d %f",e.name,e.age,e.bs);

break;

case'3':

clrscr();

another='Y';

while(another=='Y')

{

printf("\n Enter name of employee to modify");

scanf("%s",empname);

rewind(fp);

while(fread(&e,recsize,1,fp)==1)

{

if (strcmp(e.name,empname)==0)

{

printf("\n Enter new name , age & bs");

scanf("%s%d%f",e.name,&e.age,&e.bs);

fseek(fp,recsize,SEEK_CUR);

fwrite(&e,recsize,1,fp);

break;

}

printf("\nModify another record(Y/N)");

fflush(stdin);

another=getche();

}

break;

case'4':

clrscr();

another='Y';

while( another=='Y')

{

printf("\n Enter name of employeeto delete");

scanf("%s", empname);

ft=fopen("TEMP.DAT","wb");

rewind(fp);

while(fread(&e,recsize,1,fp)==1)

{

if (strcmp(e.name,empname)!=0)

fwrite(&e,recsize,1,ft);

}

fclose(fp);

fclose(ft);

remove("TEMP.DAT");

rename("TEMP.DAT","EMP.DAT");

fp=fopen("EMP.DAT","rb+");

printf("\nDo you want to Delete another record(Y/N)");

fflush(stdin);

another=getche();

}

break;

case'0':

fclose(fp);

exit(1);

}

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Floyds triangle in C

C Programming Examples / By Lokesh Kumar

Floyds Triangle in C In this program, you will get and learn the program code of floyds triangle in c programming. Floyd’s triangle is a triangular shaped, array of natural

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Calculator Program in C using Switch Case

C Programming Examples / By Lokesh Kumar

Calculator Program in C Here you get the example code of Calculator Program in C using Switch Case. Calculator definition: An electronics machine, that is used to do the arithmetical

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