What are the rules for identifiers in c?

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main() { int a,b; printf("%d,%d",scanf("%d%d",&a,&b)); } => do u mean above program's output... =>output will be:2,whatever you enter value for b. =>because scanf is a library fn which will return how many arguements it processes, and second value you are right mr.Satya but i found my self unable to understand that for the first time scanf returns the no of successful matches but how for the second time it returns the value of 'b'.while a function should return the same 'r' value every time.

1 Answers   Cisco,

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How to swap two values using a single variable ? condition: Not to use Array and Pointer ?

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Is there any algorithm to search a string in link list in the minimum time?(please do not suggest the usual method of traversing the link list)

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Explain how can I convert a string to a number?

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What is the use of bit field?

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Write a program to generate the first n terms in the series --- 9,11,20,31,...,82

1 Answers   Cognizant,

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When is a “switch” statement preferable over an “if” statement?

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a construct the"else" part of "if" statement contains anoth "if else" statement is called a) if-else b) else-if-else c) if-else-if-else d) chain if/if-else-if

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Why ca not I do something like this?

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How can I send mail from within a c program?

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What are the features of the c language?

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