What are preprocessor directives in c?


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Can a pointer be null?

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what is the benefit of c30

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write an interactive program to generate the divisors of a given integer.

7 Answers   TCS,


what is bitwise operator?

1 Answers   IBM,






What is the ANSI C Standard?

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What is meant by 'bit masking'?

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If an old women's age is the same as her three grand daughters i,mean the number of days old child=the no of weeks old child=no of months old child .The total yrs of all these ppl is 114 yrs...then how old is the old woman? the yr has 365 days..and 30 days each month.

1 Answers   TCS,


Write an interactive c program that will encode or decode a line of text. To encode a line of text, proceed as follows: Convert each character, including blank spaces, to its ASCII equivalent. Generate a positive random integer. Add this integer to the ASCII equivalent of each character. The same random integer will be used for the entire line of text. Suppose that N1 represents the lowest permissible value in the ASCII code, and N2 represents the highest permissible value. If the number obtained in step 2 above exceeds N2, then subtract the largest possible multiple of N2 from this number, and add the remainder to N1. Hence the encoded number will always fall between N1 and N2, and will therefore always represent some ASCII character. Display the characters that correspond to the encoded ASCII values. The procedure is reversed when decoding a line of text. Be certain, however, that the same random number is used in decoding as was used in encoding.

1 Answers   Amazon, CSJM, HCL, Microsoft, TCS, Wipro,


Why header files are used?

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What is pointer & why it is used?

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