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

C Interview Questions

Questions Answers Views Company eMail

Determine the result of performing two successive block transfers into the same area of a frame buffer using the binary arith operations

2361

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

5953

dennis ritchie invented C language in AT&T bell laboratory what is the extension of AT&T?

4 7793

Please provide question papers of NATIONAL INFORMATICS CENTRE for Scientific officer

2954

i need all types of question paper releted to "c" and other language.

2398

what is the output of the following program? #include void main() { float x=1.1; while(x==1.1) { printf("\n%f",x); x=x-0.1; } }

6 21312

what is the output of the following program? #include void main() { int x=4,y=3,z; z=x-- -y; printf("\n%d %d %d",x,y,z); }

14 20141

do you think its fraud or original company?

2043

what is the output of the following code? main() { int I; I=0x10+010+10; printf("x=%x",I); } give detailed reason

3 26639

Can we include one C program into another C program if yes how?

Infosys,

7 12743

What is the difference between constant pointer and pointer to a constant. Give examples.

TCS,

4 12488

what is the output of the following program? main() { int c[]={2,8,3,4,4,6,7,5}; int j,*p=c,*q=c; for(j=0;j<5;j++) { printf("%d",*c); ++q; } for(j=0;j<5;j++) { printf("%d",*p); ++p; } }

4 8324

what is the output of the following program? main() { int i=-1,j=-1,k=0,l=2,m; m=i++&&j++&&k++||l++; printf("%d %d %d %d %d",i,j,k,l,m); }

7 11092

In the following control structure which is faster? 1.Switch 2.If-else and which consumes more memory?

4 7320

What should not contain a header file?

2 4789

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Un-Answered Questions { C }

What is typedf?

1125

What standard functions are available to manipulate strings?

1152

How can I generate floating-point random numbers?

1132

What is an endless loop?

1274

Where are the auto variables stored?

1149

What should malloc(0) do?

1122

What is far pointer in c?

1311

Can you add pointers together? Why would you?

1126

What does the message "automatic aggregate intialization is an ansi feature" mean?

1188

When is a “switch” statement preferable over an “if” statement?

1149

swap 2 numbers without using third variable?

1132

What are the different file extensions involved when programming in C?

1269

What are header files in c?

1076

What is memcpy() function?

1118

What is ponter?

1265

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