
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question
Need help writing these prototypes for this c++ problem, I did A and B, but C D and E are confusing

Transcribed Image Text:1 #include <iostream>
2 #include <string>
3 #include <vector>
4 #include "checker.h"
5 using namespace std;
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#include "pe04.h"
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9 int main()
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{
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}
// A.
int a = 5;
cout << crypt(false, a) << endl; // prints 5, after: a->10
cout << "Expected: 5" << endl;
// B.
string ad = "2.0, 4.0, 3.0, -1.0";
cout << ord(ad) << endl; // prints 3.0, ad->"-1.0, 2.0, 3.0, 4.0"
cout << "Expected: 3.0" << endl;
// C.
readLink (2.5, "shorcut.url", true);
// D.
cout << dbClose ("Howdy Doody", 42) << endl; // prints "OK"
cout << "Expected: OK" <<< endl;
// E.
bool OK;
string s="sam";
cout << require(s, 0K) << endl; // prints "sam"; after-> OK ==
cout << "Expected: sam" << endl;
return 0;
true, s = "SamSamSam"

Transcribed Image Text:1 #ifndef PE04 H
2 #define PE04 H
3 #include <string>
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// PLACE YOUR PROTOTYPES BELOW THIS LINE
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// A.
8 int crypt (bool& x, int& y)
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// B.
11 string ord(string& ad)
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// C.
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// D.
// C.
// PUT YOUR PROTOTYPES ABOVE THIS LINE
#endif
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We need to write the prototypes for the given functions.
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