Which is more efficient, a switch statement or an if else chain?

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You are to write your own versions of strcpy() and strlen (). Call them mystrcpy() and mystrlen(). Write them first as code within main(), not as functions, then, convert them to functions. You will pass two arrays to the function in the case of mystrcpy(), the source and target array.

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What is the role of this pointer?

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What are local and global variables?

3 Answers  

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How can you determine the size of an allocated portion of memory?

0 Answers   Aspire, Infogain,

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#define MAX 3 main() { printf("MAX = %d ",MAX ); #undef MAX #ifdef MAX printf("Vector Institute”); #endif }

1 Answers  

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write a function to swap an array a[5] elements like a[0] as a[5],a[1] as a[4],....a[5] as a[0].without using more than one loop and use one array not to use temp array?

1 Answers   Zensar,

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How many types of linked lists what are they? How many types of data structures?

18 Answers   BSNL, Pivotal Software,

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What is data types?

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What is false about the following A compound statement is a.A set of simple statments b.Demarcated on either side by curly brackets c.Can be used in place of simple statement d.A C function is not a compound statement.

5 Answers   CCEM, TCS,

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Explain the difference between struct and union.

2 Answers  

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For what purpose null pointer used?

0 Answers  

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