e4ea61d4-503b-40f3-ab98-81ac177b4a26
e4ea61d4-503b-40f3-ab98-81ac177b4a26(80) : warning C4996: 'itoa': The POSIX name for this item is deprecated. Instead, use the ISO C++ conformant name: _itoa. See online help for details.
         S:\checker\compile\vc10\include\stdlib.h(867) : see declaration of 'itoa'
e4ea61d4-503b-40f3-ab98-81ac177b4a26(102) : warning C4996: 'itoa': The POSIX name for this item is deprecated. Instead, use the ISO C++ conformant name: _itoa. See online help for details.
         S:\checker\compile\vc10\include\stdlib.h(867) : see declaration of 'itoa'
e4ea61d4-503b-40f3-ab98-81ac177b4a26.obj : error LNK2019: unresolved external symbol _itoa referenced in function "void __cdecl perform_task(void)" (?perform_task@@YAXXZ)
e4ea61d4-503b-40f3-ab98-81ac177b4a26.exe : fatal error LNK1120: 1 unresolved externals

#include <stdio.h>

int main()
{
   int num = 0, x, y;

   while(num <= 1)
   {
     printf("Enter numer:\n");
     scanf("%d", &num);
     x = num;
   }

   while(x >= 1)
   {
     --x;
     printf("*");
   }

   printf("\n");
   x = num;

   while(x >= 1)
   {
     --x;
     printf("*");
     y = num - 2;
     while(y >= 1)
     {
       --y;
       printf(" ");
     }
     printf("*\n");
   }

   x = num;

   while(x >= 1)
   {
     --x;
     printf("*");
   }

   return(0);
}

printf("%c", '*');  
else printf("%c", ' ');

printf("*");  
else printf(" ");

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

int main()
{
   int x = 0;
   while (x <= 1)
   {
    cin >> x;
   }

   char *buf = new char[x + 1];
   buf[x] = 0;
   memset(buf, '*', x);
     
   cout << buf << endl;

   char *buf2 = new char[x + 2];
   buf2[x + 1] = 0;

   memset(buf2, ' ', x);
   buf2[0] = '*';
   buf2[x - 1] = '*';
   buf2[x] = '\n';

   for (int i=0; i < x; i++)
   {
    cout << buf2;
   }

   cout << buf << endl;

   delete[] buf;
   delete[] buf2;

   return 0;
}

#include <string.h>
#include <stdio.h>
#include <stdlib.h>

int main()  
{  
    int x = 0;  
    char *buf;
    int i;
    while (x <= 1)  
    {  
   scanf("%d", &x);
    }  

    buf = (char*)malloc(x + 2);
    buf[x] = '\n';  
    buf[x + 1] = 0;
    memset(buf, '*', x);  
       
    fputs(buf, stdout);

    memset(buf, ' ', x);  
    buf[0] = '*';  
    buf[x - 1] = '*';   

    for (i=0; i < x; i++)  
    {  
     fputs(buf, stdout);
    }  

  memset(buf, '*', x);  
  fputs(buf, stdout);

    free(buf);

    return 0;  
}