Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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in c programming with User-Defined Functions

Swapping variables

Define a function named SwapValues that takes four integers as parameters and swaps the first with the second, and the third with the fourth values. Then write a main program that reads four integers from input, calls function SwapValues() to swap the values, and prints the swapped values on a single line separated with spaces.

Ex: If the input is:

3 8 2 4

function SwapValues() returns and the main program outputs:

8 3 4 2

The program must define and call a function:
void SwapValues(int* userVal1, int* userVal2, int* userVal3, int* userVal4)
Function SwapValues() swaps the values referenced by the parameters.

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