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

C Interview Questions

Questions Answers Views Company eMail

can any one tell that i have a variable which is declared as static but i want this variable to be visible to the other files? how?

2 4686

what is diffrence between string and character array?

1 4248

GIVEN A FLOATING POINT NUMBER HOW IS IT ACTUALLY STORED IN MEMORY ? CAN ANYONE EXPLAIN?? THE 32 BIT REPRESENTATION OF A FLOATING POINT NUMBER ALLOTS: 1 BIT-SIGN 8 BITS-EXPONENT 23 BITS-MANTISSA

1880

i want to asked a question about c program the question is: create a c program that displays all prime numbers less than 500? using looping statement

5 8481

what is the value of b if a=5; b=++a + ++a

Infosys, TCS, Tech Mahindra,

31 63707

Write a c program to find, no of occurance of a given word in a file. The word is case sensitive.

2 8333

create a C program that displays one z,two y's,three x's until twenty six A's. plzz answer i need it tomorrow.

4 6162

what will be the output for the following program? main() { char ch = 'k'; char c; printf("%c",c); }

3 6062

union { char ch[10]; short s; }test; test.s = 0xabcd; main() { printf("%d",ch[10]); }

3 5700

extern static int i func() { i =10; i++; printf("%d \n",i); } main() { i =20; printf("%d \n",i); func(); printf("%d \n",i); }

2 7067

Write a program to display the no of bit difference between any 2 given numbers eg: Num1 will 12->1100 Num2 will 7->0111 the difference in bits are 2.

4 6434

A.C func() { pritnf(" in fuction %d",MACRO); } MAIN.c testfunc() { #define MACRO 10 printf("in test function %d", MACRO); } main() { printf("in main %d",MACRO); func(); testfunc(); getch(); }

Wipro,

2 4841

typedef struct { int i:8; char c:9; float f:20; }st_temp; int getdata(st_temp *stptr) { stptr->i = 99; return stptr->i; } main() { st_temp local; int i; local.c = 'v'; local.i = 9; local.f = 23.65; printf(" %d %c %f",local.i,local.c,local.f); i = getdata(&local); printf("\n %d",i); getch(); } why there there is an error during compiling the above program?

1 7874

Can i use Two or More Main Funtion in any C program.?

4 8670

Why the below program throughs error during compilation? #include #include enum { ZERO, ONE, TWO, }; main() { printf("%d",&TWO); getch(); }

2 4447

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Un-Answered Questions { C }

What is the process to generate random numbers in c programming language?

1177

Explain what is a 'null pointer assignment' error? Explain what are bus errors, memory faults, and core dumps?

1100

What does the format %10.2 mean when included in a printf statement?

1653

what is the basis for selection of arrays or pointers as data structure in a program

4309

What are the types of data files?

1206

What is the difference between variable declaration and variable definition in c?

1058

Explain the use of function toupper() with and example code?

1132

Device an algorithm for weiler-atherton polygon clipping, where the clipping window can be any specified polygon

5953

What is the purpose of void pointer?

1036

What math functions are available for integers? For floating point?

1138

How can I manipulate individual bits?

1043

Apart from dennis ritchie who the other person who contributed in design of c language.

1399

What are compound statements?

1177

write a program to convert a expression in polish notation(postfix) to inline(normal) something like make 723+* (2+3) x 7 (not sure) just check out its mainly printing expression in postfix form to infix.

2834

How can I delete a file?

1067

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