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

C Interview Questions

Questions Answers Views Company eMail

What is a method in c?

1208

Which is more efficient, a switch statement or an if else chain?

1077

How can I read data from data files with particular formats?

1091

How can I recover the file name given an open stream?

1079

Why is not a pointer null after calling free? How unsafe is it to use (assign, compare) a pointer value after it is been freed?

1211

I heard that you have to include stdio.h before calling printf. Why?

1113

What is the difference between text and binary i/o?

1108

How can I write a function that takes a format string and a variable number of arguments?

1098

How can I generate floating-point random numbers?

1201

Why does everyone say not to use gets?

1197

How do I get an accurate error status return from system on ms-dos?

1175

how should functions be apportioned among source files?

1162

I have a varargs function which accepts a float parameter?

1093

What is hashing in c?

1209

How can I sort a linked list?

1079

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Un-Answered Questions { C }

What is null in c?

1151

Explain how can a program be made to print the name of a source file where an error occurs?

1244

What is the use of getchar functions?

1230

Can we change the value of static variable in c?

1076

What is a nested loop?

1178

I just typed in this program, and it is acting strangely. Can you see anything wrong with it?

1055

What is a program flowchart and explain how does it help in writing a program?

1357

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.

2880

Can two or more operators such as and be combined in a single line of program code?

1413

What is volatile c?

1084

What does %p mean?

1153

Explain what is the difference between functions abs() and fabs()?

1255

How many types of operator or there in c?

1136

Is anything faster than c?

1060

How many keywords are there in c?

1120

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