>it always takes the last name entered
That's because you're using a pointer. When you assign name to s[i], s[i] points to name. When the loop is done, all of the pointers still point to name, which contains the last name entered. To fix this, use arrays instead:
>when I enter a name to search for ,I face a debug
You mean you get an access violation when you try to write to an uninitialized pointer. You seem to have trouble with pointers, so I would suggest using arrays instead for any project. Leave the pointers for toy programs meant to experiment with features: