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

C Interview Questions

Questions Answers Views Company eMail

Switch (i) i=1; case 1 i++; case 2 ++i; break; case 3 --i; Output of i after executing the program

Mascot,

5 10051

char S; char S[6]= " HELLO"; printf("%s ",S[6]); output of the above program ? (0, ASCII 0, I,unpredictable)

Mascot,

7 14177

Unsigned char c; for ( c=0;c!=256;c++2) printf("%d",c); No. of times the loop is executed ?

Mascot, TCS,

8 20145

int i; i=2; i++; if(i=4) { printf(i=4); } else { printf(i=3); } output of the program ?

Mascot,

15 20570

write a C code to reverse a string using a recursive function, without swapping or using an extra memory.

Motorola, TCS, Wipro,

9 42732

write a C code To reverse a linked list

Motorola, Wipro,

2 15016

Difference between Class and Struct.

Ericsson, Motorola, Wipro,

13 40374

Tell about strtok & strstr functions

HCL, iFlex, Motorola,

2 19414

two progs are given. one starts counting frm 0 to MAX and the other stars frm MAX to 0. which one executes fast.

Verifone,

5 8961

int a=2,b=3,c=4; printf("a=%d,b=%d\n",a,b,c); what is the o/p?

Verifone,

6 22370

C program code int zap(int n) { if(n<=1)then zap=1; else zap=zap(n-3)+zap(n-1); } then the call zap(6) gives the values of zap [a] 8 [b] 9 [c] 6 [d] 12 [e] 15

TCS, Wipro,

6 23851

n=7623 { temp=n/10; result=temp*10+ result; n=n/10 }

Wipro,

7 13442

int zap(int n) { if(n<=1)then zap=1; else zap=zap(n-3)+zap(n-1); } then the call zap(6) gives the values of zap [a] 8 [b] 9 [c] 6 [d] 12 [e] 15

Wipro,

10 17289

The C language terminator is a.semicolon b.colon c.period d.exclamation mark

TCS,

6 15183

What is false about the following A compound statement is a.A set of simple statments b.Demarcated on either side by curly brackets c.Can be used in place of simple statement d.A C function is not a compound statement.

CCEM, TCS,

5 21781

Post New C Questions

Un-Answered Questions { C }

What is the difference between scanf and fscanf?

1203

A text file that contains declarations used by a group of functions,programs,or users a) executable file b) header file c) obj file d) .cfile

1055

Explain what is #line used for?

1015

how many types of operators are include in c language a) 4 b) 6 c) 8 d) 12

1020

Explain what’s a signal? Explain what do I use signals for?

1056

What is the purpose of the statement: strcat (S2, S1)?

1081

How to set file pointer to beginning c?

1151

What is 2c dna?

1023

What are directives in c?

930

PLS U SENS ME INTERVIEW O. MY EMAIL ADD, SOFIYA.SINGH@GMAIL.COM

2147

Program to find the sum of digits of a given number until the sum becomes a single digit. (e.g. 12345=>1+2+3+4+5=15=>1+5=6)

1102

What are the data types present in c?

1093

Explain what is gets() function?

1018

Where in memory are my variables stored?

1116

Linked list is a Linear or non linear explain if linear how it working as a non linear data structures

2123

For More Un-Answered { C } Questions Click Here