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

C Interview Questions

Questions Answers Views Company eMail

What does a function declared as pascal do differently?

1147

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

1119

How do you determine whether to use a stream function or a low-level function?

1133

What is a 'null pointer assignment' error?

1227

What will be the outcome of the following conditional statement if the value of variable s is 10?

1303

How do you use a pointer to a function?

1094

How can you avoid including a header more than once?

989

What is the heap?

1225

What is wrong with this program statement?

1048

How do you override a defined macro?

1275

How do you list a file’s date and time?

1076

What is #line used for?

1034

How can you check to see whether a symbol is defined?

1106

Is it valid to address one element beyond the end of an array?

1178

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

1256

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Un-Answered Questions { C }

How old is c programming language?

1020

What are the valid places to have keyword “break”?

1093

Why do we need a structure?

1054

What are inbuilt functions in c?

1040

Explain which of the following operators is incorrect and why? ( >=, <=, <>, ==)

1043

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

1103

write an algorithm to display a square matrix.

2717

If null and 0 are equivalent as null pointer constants, which should I use?

1234

What is pointers in c?

1124

How can you allocate arrays or structures bigger than 64K?

1157

What is the use of bitwise operator?

1134

Explain bitwise shift operators?

1257

Explain how do you convert strings to numbers in c?

1085

Tell me when is a void pointer used?

1188

What is 1f in c?

2671

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