Answer Posted / swetcha

extern is significant only with data declarations. In
function declarations, it can be used as a stylistic hint
to indicate that the function's definition is probably in
another source file, but there is no formal difference
between

extern int f();

and
int f();

What is an lvalue in c?

1127

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Do you know the use of 'auto' keyword?

1202

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write a program to find out prime number using sieve case?

2099

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Explain how do you print only part of a string?

1222

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What is main return c?

1002

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Explain what is the benefit of using an enum rather than a #define constant?

1222

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What is the scope of global variable in c?

998

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What are the header files used in c language?

1055

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Does free set pointer to null?

1006

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Can a pointer be volatile in c?

990

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How do c compilers work?

1135

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How do you convert a decimal number to its hexa-decimal equivalent.Give a C code to do the same

1105

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Explain why C language is procedural?

1223

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What are valid signatures for the Main function?

1237

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what is associativity explain what is the precidence for * and & , * and ++ how the folloing declaration work 1) *&p; 2) *p++;

2644

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