just try this one...........................

ifstream fin;

cout << "Enter filename: ";
getline(cin, ifile);
fin.open(ifile.c_str());

if(fin.fail())
{

yes that is a correct way u can proceed.........
but the only thing u need to do is that u should use char array in place of char variable, and the function atoi is return an int value so u should...

struct node
{
int data;
struct node *link;
};


void delet(struct node **currNode,int location)
{
int i;