Auto Complete

#include<stdio.h>
#include<string.h>
#include<iostream.h>
#include<process.h>
#include<conio.h>
void search(int n);
void print(char temp[50],int i,int n);
char str[50][50];
int main()
{
    int n;
    cout<<"\nEnter the no of words ";
    cin>>n;
    for(int i=0;i<n;i++)
    {
        cout<<"\nEnter word no "<<(i+1)<<" ";
        gets(str[i]);
    }
    search(n);
   return 0;
}

void search(int n)
{
    char temp[50],ch;
    int i=0;
    clrscr();
    cout<<"\nEnter string to search ";
    while(1)
    {
        ch=getch();
        clrscr();
        if(ch!='~')
        {
            if((int)ch==8)
            {
                i=i-1;
                if(i<0)
                i=0;
                temp[i]='\0';
            cout<<"\nEnter string to search ";
                puts(temp);
                print(temp,i-1,n);
            }
            else
            {
                temp[i]=ch;
                temp[i+1]='\0';
                cout<<"\nEnter string to search ";
                puts(temp);
                print(temp,i,n);
                i++;
            }
        }
        else
            exit(0);
    }
}

void print(char temp[50],int i,int n)
{
    int f=1;
    for(int a=0;a<n;a++)
    {
    f=1;
        for(int b=0;b<=i;b++)
        {
            if(str[a][b]!=temp[b])
            {
                f=0;
                break;
            }
        }
        if(f == 1)
        {
            puts(str[a]);
        }
    }
}