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/*****************************************************************************
Routine returns a char CPTR
*/
#include <iostream>
#include <cstring>
#include <string>
using namespace std;
char* Text(int intLen);
void main()
{
int intCount=0;
intCount=0;
cout << "Entrar un entero (de 0 a 25)" << endl;
cout << "Entrar 26 o mas para salir" << endl;
cin >> intCount;
while (intCount < 26) {
cout << "intCount = " << endl;
cout << "**************************************" << endl;
cout << "str Returned = " << Text(intCount) << endl;
cout << "Entrar un entero (de 0 a 25)" << endl;
cout << "Entrar 26 o mas para salir" << endl;
cin >> intCount;
}
return;
}
char* Text(int intLen)
{
char* str;
char aS[2][10]={
{'Q','u','e','r','y'},
{'S','M','a','g','i','c'}};
cout << "Q: " << strlen(aS[0]) << endl;
cout << "Q: " << strlen(aS[1]) << endl;
char* pStr[5] ={ "Query text zero",
"Query text one",
"Query text two",
"Query text three",
"Query text four" };
char* u = const_cast<char*>(aS[0]);
cout << "u hex: " << &u << endl; //displays Addr Ok
cout << "u content: " << u << endl; //displays "Query" Ok
switch (intLen) {
case 1: // Fails: does not display "Query"!
return u;
case 2: // Ok displays "Query text two",
str = pStr[2];
return str;
default: // Ok displays "Query text zero",
str = pStr[0];
return str;
}
} |
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