Do anyone here know how to fix this without using loop ? There is this syntax er

Question

Do anyone here know how to fix this without using loop ? There is this syntax error

Error   1   error C4996: 'strcpy': This function or variable may be unsafe. Consider using strcpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS.

I just want to get result like this Last name, First name Middle name

Thanks

# include <iostream>
using namespace std;

int main()
{
   const int SIZE = 30;
  
   char last[SIZE];
   char first[SIZE];
   char middle[SIZE];
   char full[SIZE * 3];

   cout << "Please enter your last name no more than 30 characters: " << endl;
   cin.getline(last, SIZE-1);
  
   cout << "Please enter your middle name: " << endl;
   cin.getline(middle, SIZE-1);

   cout << "Please enter your first name: " << endl;
   cin.getline(first, SIZE-1);
  
   strcpy(full, last);
   strcat(full, ", ");
   strcat(full, first);
   strcat(full, " ");
   strcat(full, middle);
   cout << " YOur last name , first name and middle name is " << endl;
   cout << full << endl;

   system("pause");
   return 0;
}

Explanation / Answer

#include <iostream>
#include <cstring>
using namespace std;

void Display (char * );

void main ()
{

const int SIZE = 30;
char Last [SIZE]; //Array for last name
char First [SIZE]; //Array for first name
char Middle [SIZE]; //Array for middle name
int FNLength, MNLength, LNLength, Length; // properties
int LoopControl=1; //Loop control variable to terminat loop
do
      {
         
            cout << "Please enter your last name: ";
          
            cin.ignore(cin.rdbuf()->in_avail(),' ');
            cin.getline(Last , SIZE, ' ');
            cout << "Please enter your first name: ";
            cin.getline(First , SIZE, ' ');
         
            cout << "Please enter your middle name: ";
            cin.getline(Middle , SIZE, ' ');
          

FNLength = strlen(First );
MNLength = strlen(Middle );
LNLength = strlen(Last );

Length = FNLength + MNLength + LNLength + 3;
char *full = new char[ Length];

if (full == 0)
{
cout << "DMA not allocated!" << endl;
exit(1); //Terminate program
}

strcpy(full , First ); //Copy First to full
strcat(full , " "); //Add Space to full
strcat(full , Middle ); //Add Middle to full
strcat(full , " "); //Add Space to full
strcat(full , Last ); //Add Last and NULL to full

Display (full ); //Run Display function to display full array

delete [] full ; //Free up memory

//Prompt user to repeat program or exit
cout << endl;
cout << "Enter in 1 to quit." << endl;
cout << "Enter in any other number to run again." << endl;
cout << "> ";
cin >> LoopControl;
}
//If the user enters 1 the program exits, otherwise the program repeats
while ( LoopControl != 1 );
}

void Display (char * )
{
//Display text with array contents
cout << " YOur last name , first name and middle name is " << endl;
cout << full << endl;
}

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