C Interview Questions
Questions Answers Views Company eMail

write a program to display the numbers in the following 4 4 3 3 2 2 1 1 0 1 1 2 2 3 3 4 4

1 2801

write a program to display the numbers in the following format 4 4 3 3 3 3 2 2 2 2 2 2 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 2 2 2 2 2 3 3 3 4

IBM, NIIT, Winit,

9 12022

what is the output of the program and explain why?? #include void main ( ) { int k=4,j=0: switch (k) { case 3; j=300; case 4: j=400: case 5: j=500; } printf (“%d\n”,j); }

Oracle,

14 14081

What is the real time usage volatile?

Polycom,

2 5271

what are the stoge class in C and tel the scope and life time of it?

Tech Mahindra,

2 4698

What will be the result of the following program? char*g() { static char x[1024]; return x; } main() { char*g1="First String"; strcpy(g(),g1); g1=g(); strcpy(g1,"Second String"); printf("Answer is:%s", g()); } (A) Answer is: First String (B) Answer is: Second String (C) Run time Error/Core Dump (D) None of these

Oracle,

2 7131

. Consider the following program main() { int a[5]={1,3,6,7,0}; int *b; b=&a[2]; } The value of b[-1] is (A) 1 (B) 3 (C) -6 (D) none

Oracle,

9 19410

Given a piece of code int x[10]; int *ab; ab=x; To access the 6th element of the array which of the following is incorrect? (A) *(x+5) (B) x[5] (C) ab[5] (D) *(*ab+5} .

Oracle,

2 7948

What is the output of the following progarm? #include main( ) { int x,y=10; x=4; y=fact(x); printf(“%d\n”,y); } unsigned int fact(int x) { return(x*fact(x-1)); } A. 24 B. 10 C. 4 D. none

2 4942

What is the o/p of the follow pgm? #include main() { char char_arr[5]=”ORACL”; char c=’E’; prinf(“%s\n”,strcat(char_arr,c)); } a:oracle b. oracl c.e d.none

Oracle,

2 4404

#include main() { int a[3]; int *I; a[0]=100;a[1]=200;a[2]=300; I=a; Printf(“%d\n”, ++*I); Printf(“%d\n”, *++I); Printf(“%d\n”, (*I)--); Printf(“%d\n”, *I); } what is the o/p a. 101,200,200,199 b. 200,201,201,100 c. 101,200,199,199 d. 200,300,200,100

1 4254

What is 'makefile' in C langauage? How it be useful? How to write a makefile to a particular program?

2 7353

Is main() is used in the program,,see below example? void main() { int i; for(i=0;i<10;i++) main(); } Then what is the output of the program?

6 5467

What is the output for the below program? void main() { float me=1.1; double you=1.1; if(me==you) printf("love c"); else printf("know c"); }

7 8132

What is the output of the below program and how it is? void main() { static int var=5; printf("%d",var--); if(var) main(); }

MindFire, TCS, Tech Mahindra,

8 16869


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Un-Answered Questions { C }

How can I insert or delete a line (or record) in the middle of a file?

549


Which is better oop or procedural?

605


write a progrmm in c language take user interface generate table using for loop?

1548


What are the 4 data types?

570


i have a written test for microland please give me test pattern

2149






What is scanf () in c?

641


What are the types of variables in c?

559


What is LINKED LIST? How can you access the last element in a linked list?

609


What is static and volatile in c?

752


What is union and structure in c?

590


What are the differences between new and malloc in C?

583


How can you invoke another program from within a C program?

595


What are the types of data structures in c?

578


Write a program to use switch statement.

631


How are portions of a program disabled in demo versions?

718