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Testing empty function ---------------------- Emptying s2="irregular" gives s2=""   void empty(charPtr& s) { /* Empties the cstring s so that s is modified to an empty cstring. That is the memory allocated for s is deleted and a new memory is allocated so that s will have no printable characters but it will still have a null character at the end. REMARK: Parameter passing by reference is needed here as given in the function declaration here. */ }

Testing empty function ---------------------- Emptying s2="irregular" gives s2=""   void empty(charPtr& s) { /* Empties the cstring s so that s is modified to an empty cstring. That is the memory allocated for s is deleted and a new memory is allocated so that s will have no printable characters but it will still have a null character at the end. REMARK: Parameter passing by reference is needed here as given in the function declaration here. */ }

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Testing empty function

----------------------

Emptying s2="irregular" gives s2=""

 

void empty(charPtr& s)

{

/*

Empties the cstring s so that s is modified to an empty cstring.

That is the memory allocated for s is deleted and a new memory is

allocated so that s will have no printable characters but it will

still have a null character at the end.

REMARK: Parameter passing by reference is needed here as given

in the function declaration here.

*/

}

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