a2zinterviews

13.	How do you close the file?
	The file is closed by the statement fclose(file_pointer);
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14.	What is the difference between Logical AND and Bitwise AND?
	Logical AND (&&): Only used in conjection with two expressions, to test more than one condition. If both the conditions are true then returns 1. If false then return 0. Bitwise AND (&): Only used in bitwise manipulation. It is an Unary operator.
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15.	Can you pass an entire structure to functions?
	Yes, it is possible to pass an entire structure to a function in a call by method style. However, some programmers prefer declaring the structure globally, and then pass a variable of that structure type to a function. This method helps maintain consistency and uniformity in terms of arguments type.
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16.	What is the difference between memcpy() & strcpy() functions in C?
	memcpy() function is used to copy a specified number of bytes from one memory to another. Whereas, strcpy() function is used to copy the contents of one string into another string. memcpy() function acts on a memory rather than value. Whereas, strcpy() function acts on value rather than memory.
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