C Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C Interview Questions

Questions Answers Views Company eMail

create an SINGLE LINKED LISTS and reverse the data in the lists completely

3 5729

hi , please send me NIC written test papers to sbabavalli@gmail.com

NIC,

1902

Can u please send me the exam pattern and also Previous papers to javed123go@gmail.com

1862

how to print value of e(exp1)up to required no of digits after decimal?

1 3630

writw a program to insert an element in the begning of a doubly linked list

1 4457

main() { int arr[5]={23,67}; printf("%d%d%d",arr[2],arr[3],arr[4]); }

TCS,

9 9971

main() {int a=200*200/100; printf("%d",a); }

TCS,

14 16903

main() { float a=3.2e40; printf("%d",a); }

Satyam,

9 11731

write program on arrays

GE, Polycab,

3 6204

HOW TO ANSWER IF ASKED " WHAT KIND OF A PERSON ARE YOU?" I NEED AN ANSWER THAT IMPRESS THE INTERVIEWER

4 7119

can we print any string without using terminator?

Infosys, TCS,

2 7812

#include int fun(); int i; int main() { while(i) { fun(); main(); } printf("hello \n"); return 0; } int fun() { printf("hi"); } answer is hello.how??wat is tat while(i) mean?

Intel,

7 19295

wat is the difference between a definition and declaration? float y;---it looks like a declaration..but it s a definition.how?someone explain

TCS,

3 11232

void main() { int s[4][2]={ {1234,56},{1212,33},{1434,80},{1312,78} }; int (*p)[2]; int i,j,*pint; for(i=0;i<=3;i++) { p=&s[i]; pint=p; printf("\n"); for(j=0;j<=1;j++) printf("%d",*(pint+j)); } } while running this program it shows a warning-suspicious pointer conversion ie pint=p; my que is why should we assign the value of p to pint again.why cant we use it directly as *(p+j)..but if i use like tat the o/p is garbage value..

1 7088

void main() {int a[5],i,b=16; for(i=0;i<5;i++) a[i]=2*i; f(a,5,b); for(i=0;i<5;i++) printf("\n %d",a[i]); printf("\n %d",b); } f(int *x,int n,int y) { int i; for(i=0;i

TCS,

2 5658

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Un-Answered Questions { C }

What is the use of putchar function?

1029

Which header file is used for clrscr?

1016

Write a program to check palindrome number in c programming?

976

Write a program to swap two numbers without using a temporary variable?

1091

A collection of functions,calls,subroutines or other data a) library b) header files c) set of files d) textfiles

1135

can we have joblib in a proc ?

2243

Explain what are header files and explain what are its uses in c programming?

1122

What is the translation phases used in c language?

1079

How do we open a binary file in Read/Write mode in C?

1201

What are the output(s) for the following ? #include char *f() {char *s=malloc(8); strcpy(s,"goodbye")} main() { char *f(); printf("%c",*f()='A'); }

1141

Why are all header files not declared in every c program?

1056

What is abstract data structure in c?

988

What is hash table in c?

985

what is use of malloc and calloc?

1861

How can I get the current date or time of day in a c program?

1183

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