Answer Posted / sudheer

little india

What are the output(s) for the following ? #include char *f() {char *s=malloc(8); strcpy(s,"goodbye")} main() { char *f(); printf("%c",*f()='A'); }

1155

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What is a null string in c?

1007

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Why is structure padding done in c?

1102

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Explain how do you sort filenames in a directory?

1008

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What is the difference between variable declaration and variable definition in c?

1037

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What is the heap in c?

1051

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What will the preprocessor do for a program?

1039

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What is extern keyword in c?

1102

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main() { printf("hello"); fork(); }

1170

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Can a pointer be null?

996

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Find duplicates in a file containing 6 digit number (like uid) in O (n) time.

3215

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Explain what is the difference between a string copy (strcpy) and a memory copy (memcpy)? When should each be used?

1065

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The number of measuring units from an arbitarary starting point in a record,area,or control block to some other point a) recording pointer b) offset c) branching d) none

1211

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What is the most efficient way to count the number of bits which are set in an integer?

1026

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Where register variables are stored in c?

939

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