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 4700

what is diffrence between string and character array?

1 4258

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

1881

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 8509

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

Infosys, TCS, Tech Mahindra,

31 63827

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

2 8343

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 6170

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

3 6078

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

3 5722

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 7079

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 6449

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 4858

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 7884

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

4 8689

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

2 4475

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Un-Answered Questions { C }

Where is volatile variable stored?

1096

What does. int *x[](); means ?

1078

a formula,a series of steps,or well defined set of rules for solving a problem a) algorithem b) program c) erdiagram d) compiler

1085

What is the function of this pointer?

1354

What are the 4 data types?

1027

Hello. How to write a C program to check and display president party like if i type in the console "biden" and hit enter the output shoud be : "biden is democrat" and if i type "trump" and hit enter the output shoud be: "trump is republican"

2081

Explain what does it mean when a pointer is used in an if statement?

1076

Difference between malloc() and calloc() function?

1213

What is the benefit of using an enum rather than a #define constant?

1248

explain what is an endless loop?

1105

what is a function method?give example?

2375

Is a house a shell structure?

1171

differentiate built-in functions and user – defined functions.

1101

What are the scope of static variables?

1198

What are directives in c?

980

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