How can I implement opaque (abstract) data types in C? What's the difference between these two declarations? struct x1 { ... }; typedef struct { ... } x2;

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What are file streams?

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how to solve "unable to open stdio.h and conio.h header files in windows 7 by using Dos-box software

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What is union in c?

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Write code for atoi(x) where x is hexadecimal string.

5 Answers   Adobe,

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How macro execution is faster than function ?

0 Answers   Wipro,

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what is use of malloc and calloc?

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what is a stack

6 Answers  

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When would you use a pointer to a function?

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the process of defining something in terms of itself is called (or) in C it is possible for the functions to call themselves. A function called a) nested function b) void function c) recursive function d) indifinite function

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Design a program using an array that searches a number if it is found on the list of the given input numbers and locate its exact location in the list.

4 Answers  

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Write a program to swap two numbers without using third variable?

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