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

C Interview Questions

Questions Answers Views Company eMail

What is the difference between a string and an array?

1216

Can static variables be declared in a header file?

1066

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

1113

Why can’t constant values be used to define an array’s initial size?

1386

How can I prevent another program from modifying part of a file that I am modifying?

1063

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

1231

Can math operations be performed on a void pointer?

1057

When is a null pointer used?

1122

Describe explain how arrays can be passed to a user defined function

1114

Is null always equal to 0(zero)?

1040

Is null always defined as 0(zero)?

1121

Can you subtract pointers from each other? Why would you?

963

Do variables need to be initialized?

1064

Why is c called a mid-level programming language?

1213

When was c language developed?

1204

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Un-Answered Questions { C }

What are predefined functions in c?

1110

writ a program to compare using strcmp VIVA and viva with its output.

2027

in ‘C’ language for Matrix Multiplication fails” Introspect the causes for its failure and write down the possible reasons for its failure.

8057

How was c created?

1072

What is difference between %d and %i in c?

1244

What is #line used for?

1031

What is n in c?

1065

Is null always equal to 0(zero)?

1040

Where we use clrscr in c?

1141

What could possibly be the problem if a valid function name such as tolower() is being reported by the C compiler as undefined?

1288

Are there any problems with performing mathematical operations on different variable types?

1045

What is the difference between a free-standing and a hosted environment?

1152

What is the use of clrscr?

1111

What is the concatenation operator?

1157

what do the 'c' and 'v' in argc and argv stand for?

1176

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