аняя

#include <iostream>
using namespace std;
char *resize(const char *str, unsigned size, unsigned new_size)
{
	char *str1=new char[new_size];
        for (int i=0; i<size; i++)
        {

            *(str1+i)=*(str+i);
        }
         delete []str;

   return str1;

}

char *getline()
{
    char  t;

    int size=1;
      char *str2=new  char[size];
    int i=0;
    while ((cin.get(t))&&(t!='\n'))
    {

         i++;
        size+=1;
        str2=resize(str2, size-1,size );
         *(str2+i)=t;

    }
    resize(str2, size,size +1);

    *(str2+size)='\0';

}