Answer Posted / vinay tiwari

this can be achieved by file handling

#include<stdio.h>
void main()
{
FILE *fp;
char ch;
clrscr();
fp=fopen("file.c","r");
ch=getc(fp);
while(ch!=EOF)
{
putchar(ch);
ch=getc(fp);
}
getch();
}

Explain about block scope in c?

1143

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Create a structure to specify data on students as given below: Roll number, Name, Department, Course, and Year of joining. Assume that there are not more than 450 students in the collage. (a) Write a function to print the names of all students who joined in the last 3 years. (b) Write a function to print the data of a student whose roll numbers are divisible by 4.

1156

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What is a null pointer in c?

1310

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Why void is used in c?

1059

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1. Write a function to display the sum of two numbers in the following ways: By using (i) pass by value (ii) pass by address a. function with argument and with return value b. function with argument and without return value c. without argument , with return value d. without argument , without return value Note: Use pass by address.

2855

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What is the value of uninitialized variable in c?

1088

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What are the types of pointers?

1186

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Here is a neat trick for checking whether two strings are equal

1071

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Can a local variable be volatile in c?

1054

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How many types of errors are there in c language? Explain

1022

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What is the use of typedef in c?

1081

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What is the size of a union variable?

1097

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How are 16- and 32-bit numbers stored?

1325

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What do you understand by normalization of pointers?

1101

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What are categories used for in c?

1151

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