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

C Interview Questions

Questions Answers Views Company eMail

Why should I use standard library functions instead of writing my own?

1274

What is the difference between text and binary modes?

1197

How can I copy just a portion of a string?

1318

When should the volatile modifier be used?

1189

Why shouldn’t I start variable names with underscores?

1067

Explain what is the difference between text files and binary files?

1160

Is it possible to execute code even after the program exits the main() function?

1344

How can I remove the leading spaces from a string?

1172

How can you determine the maximum value that a numeric variable can hold?

1236

Can you add pointers together? Why would you?

1130

When should the const modifier be used?

1117

How can you pass an array to a function by value?

1125

How many levels of pointers can you have?

1198

If errno contains a nonzero number, is there an error?

1379

Should a function contain a return statement if it does not return a value?

1083

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Un-Answered Questions { C }

What are the advantages of using linked list for tree construction?

1104

What are the different types of pointers used in c language?

1052

What should malloc(0) do? Return a null pointer or a pointer to 0 bytes?

1082

What does char * * argv mean in c?

1070

Are the variables argc and argv are always local to main?

1026

Why is c called c?

1028

WRITE A PROGRAM TO MERGE TWO SORTED ARRAY USING MERGE SORT TECHNIQUE..

2081

How to create struct variables?

1114

Is it possible to initialize a variable at the time it was declared?

1220

What are categories used for in c?

1100

Which header file is used for clrscr?

1063

Where are some collections of useful code fragments and examples?

1164

What is the use of parallelize in spark?

1030

What are pointers in C? Give an example where to illustrate their significance.

1231

What are the differences between Structures and Arrays?

1216

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