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

C Interview Questions

Questions Answers Views Company eMail

What is extern storage class in c?

1055

What is variables in c?

1090

What is null pointer constant?

1269

What does volatile do?

1033

What is the difference between volatile and const volatile?

1044

What is the use of volatile?

1146

When should volatile modifier be used?

1069

Can a variable be both constant and volatile?

1176

What is volatile variable how do you declare it?

1181

Where is volatile variable stored?

1141

What are lookup tables in c?

1033

What is a lookup table in c?

1170

What is table lookup in c?

1144

Can we increase size of array in c?

1010

What is a dynamic array in c?

1214

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Un-Answered Questions { C }

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

1322

PROGRAM TO WRITE CONTENTS OF 1 FILE IN REVERSE TO ANOTHER FILE,PROGRAM TO COPY 1 FILE TO ANOTHER BY SPECIFYING FILE NAMES AS COMMAND LINE

2081

How does free() know explain how much memory to release?

1105

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

1134

Explain how can you determine the size of an allocated portion of memory?

1150

what is the differnce between programing langauge and tool? is sas is a programing langauge r tool?

2455

How was c created?

1090

How macro execution is faster than function ?

1247

What is extern variable in c with example?

1053

Under what circumstances does a name clash occur?

1268

which is conditional construct a) if statement b) switch statement c) while/for d) goto

1257

Explain main function in c?

1134

What is the purpose of 'register' keyword?

1130

How many main () function we can have in a project?

1154

Which header file is used for clrscr?

1104

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