Write a C Program to create a structured data file named
Student.dat to store the roll no, name
and course.
Provide following functions:
1. Accept the values from the user using structure
variables. Store the contents in a file.
2. Display the file.
3. The user should be able to add new records to the
existing file. And display the new file.
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Answer Posted / ratnesh kumar
Write a C program that asks the user to enter a 10-digit.telephone number (the first three digits refer to the area code, the next three digits refer to the exchange code, and the remaining four digits refer to number), print the parts of the number and complete telephone number in additionto the area code and exchange code.
#include<stdio.h>
#include<conio.h>
main()
{
long int num,area_code,exchange_code,remaining_number,d,s;
printf("Enter the Number
");
scanf("%ld",&num);
area_code=num/10000000;
printf("The area code is%ld",area_code);
d=num/10000;
exchange_code=d%1000;
printf("
The exchange code is%ld",exchange_code);
remaining_number=num%10000;
printf("
remaining_number is%ld",remaining_number);
printf("
the sum of areacode and exchange code is:%ld",exchange_code+area_code);
getch();
}
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