Advanced 'C' Question bank(2024-25)(patt.2019)

 

a)      Define pointer to pointer.

b)      Which functions are used to read a string?

c)      Demonstrate “structure within structure” with example

d)     What is the use of strcat() function.

e)      Define generic pointer.

f)       What is string? Give example.

g)      Which function is used to open a file?

h)      What is use of strcpy() with syntax.

i)        What is command line argument?

j)        What is file?

k)      Define pointer to pointer.

l)        Which functions are used to read a string?

m)    Demonstrate “structure within structure” with example

n)      What is the use of strcmp() function.

o)      Define generic pointer.

p)      What is string? Give example.

q)      Which function is used to open a file?

r)       What is use of strcpy() with syntax.

s)       What is command line argument?

t)      What is macro?

Answer the following

a)   Write short note to accessing structure members with example.

b)   What is array of pointers with example?

c)   What is purpose of fseek()?

d)  What is the use of #include directive.

e)      Explain the functions which are used for dynamic memory allocation

f)       Explain in brief concept of macros substitution directives.

g)      Write a ‘C’ program to accept a string convert in lowercase without using built - in function.

h)      Write a ‘C’ program to accept a string convert in uppercase without using built - in function.

i)        Explain following functions with syntax and example         fgets(), fputs(), fscanf (), fprintf ()

j)     Define Structure. Explain with example.

k)   What is array of pointers with example?

l)     What is purpose of ftell()?

m) What is the use of #define directive.

n)      Explain the functions which are used for dynamic memory allocation

o)      Write a C program to declare book structure (bookno, bookname, author). Accept details of n books and display books of particular author.

p)      Write a C program to interchange two numbers using pointers.

q)      Write a ‘C’ program to copy content of one file to another.

r)       What is the output of following C code? Justify 

1)      #include<stdio.h>

 

int main()

{

          int a[] = { 2,4,6,10,12} ;

          int *ptr;

          ptr = a;

          printf(" %d ", *( ptr + 2) );

 

          return 0;

                      }        

                   2) #include<stdio.h>

 

int main()

{

          int a[] = { 1, 2, 3, 4, 5} ;

          int *ptr;

          ptr = a;

          printf(" %d ", *( ptr + 1) );

 

          return 0;

                      }  

                          

2)    Differentiate union and structure.   

3)    Differentiate macro & function.                       

                 

 

 

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